Eras and regulations
Formula One is a rule set that keeps being rewritten, and most of what changed about the cars follows from that. Here is the chronology: what the rules were, what someone invented to get round them, and what was banned afterwards.
Ten eras 10
Each era carries the medium tier: the boundaries are the conventional ones, not a measurement.
The front-engined era1950–1957
Grand Prix racing resumed with pre-war machinery and pre-war attitudes to risk. Fangio won five titles in eight seasons.
Dominant: Alfa Romeo, Ferrari, Mercedes, Maserati
Technology: Front engines, drum brakes, no seatbelts, treaded road-style tyres, races of 500 km
The rear-engine revolution1958–1965
Cooper put the engine behind the driver and the entire grid followed within three years. British 'garagiste' teams displaced the Italian manufacturers.
Dominant: Cooper, Lotus, BRM, Ferrari
Technology: Mid-engined layout, monocoque chassis, the 1.5 L formula, the first Constructors' Championship
The DFV and the birth of aerodynamics1966–1976
The Cosworth DFV made independent constructors competitive; wings and then ground effect turned the car into an aerodynamic device. Fatality rates were at their worst.
Dominant: Lotus, Brabham, Tyrrell, Ferrari, McLaren
Technology: 3.0 L formula, wings, sponsorship liveries, the beginning of the safety movement
Ground effect and turbos1977–1988
Two revolutions at once: underbody downforce and forced induction. Power outputs reached figures never approached since.
Dominant: Lotus, Williams, Brabham, McLaren, Ferrari
Technology: Venturi tunnels, sliding skirts, 1,400 bhp qualifying engines, carbon-fibre chassis
The electronic era and its aftermath1989–1997
Active suspension, traction control and semi-automatic gearboxes arrived and were then banned. The 1994 accidents redefined the sport's relationship with risk.
Dominant: McLaren, Williams, Benetton
Technology: Driver aids and their prohibition, the post-Imola safety programme, refuelling
Ferrari's dominance and the manufacturer boom1998–2008
Schumacher and Ferrari won five consecutive titles; car makers poured in money.
Dominant: Ferrari, McLaren, Renault
Technology: Grooved tyres, tyre wars, V10 then V8 engines, unlimited testing, escalating budgets
Aerodynamic ingenuity under constraint2009–2013
Rule packages designed to cut downforce were repeatedly outwitted — double diffusers, F-ducts, blown floors.
Dominant: Brawn, Red Bull
Technology: KERS, DRS, exhaust-blown diffusers, the arrival of Pirelli's degradation tyres
The hybrid era2014–2021
The most complex power units ever raced, and the longest period of single-team dominance in the sport's history.
Dominant: Mercedes, Red Bull
Technology: 1.6 L V6 turbo hybrids, 50%+ thermal efficiency, eight consecutive Mercedes constructors' titles
Ground effect returns and the cost cap bites2022–2025
New aerodynamics intended to allow close following, alongside a budget cap that began to compress the field. Red Bull's 2023 was the most dominant season on record; by 2025 the top three drivers finished within thirteen points.
Dominant: Red Bull, McLaren
Technology: Venturi tunnels, porpoising, 18-inch wheels, the $135-145 m cost cap, sprint weekends
The new formula2026–
A smaller, lighter car, an even power split between combustion and electrical energy, sustainable fuel, and two new manufacturers.
Dominant: TBD — Mercedes leads the opening half of 2026
Technology: Active aerodynamics, Overtake Mode, no MGU-H, 100% sustainable fuel, twelve teams
Engine formulae
| Era | Formula | Typical | Power (bhp) | Revs | Notes |
|---|---|---|---|---|---|
| The Alfetta era 1950–1951 | 1.5 L supercharged or 4.5 L naturally aspirated | Straight-8 / V12 | 350-425 | ~8,500 rpm | Pre-war technology carried into the new championship. Alfa's 159 used around 125 litres of fuel per 100 km. |
| The Formula 2 interregnum 1952–1953 | 2.0 L naturally aspirated (F2) | Straight-4 | 165-180 | ~7,000 rpm | Adopted because too few F1 cars remained after Alfa Romeo's withdrawal. |
| The 2.5-litre formula 1954–1960 | 2.5 L naturally aspirated | Straight-4 to V8 | 250-290 | ~8,000 rpm | Mercedes's desmodromic-valve W196 and the Maserati 250F belong to this period; ends with the rear-engine revolution. |
| The 1.5-litre formula 1961–1965 | 1.5 L naturally aspirated | V8 / flat-8 / H16 | 150-225 | up to 12,000 rpm | Unpopular on introduction for cutting power, but produced light, nimble cars and Clark's Lotus 25 monocoque. |
| The return of power 1966–1976 | 3.0 L naturally aspirated or 1.5 L forced induction | V8 / V12 / flat-12 | 400-500 | 10,000-12,500 rpm | The Cosworth DFV arrived in 1967 and made the independent constructor viable. |
| The turbo era 1977–1988 | 3.0 L naturally aspirated or 1.5 L turbocharged | Turbo I4 / V6 | 600-900 race, 1,000-1,400+ qualifying | 11,000-12,000 rpm | Renault's RS01 introduced turbocharging in 1977. Qualifying boost produced the highest power outputs in the sport's history before boost limits (4.0 bar in 1987, 2.5 bar in 1988) closed the era. |
| The 3.5-litre naturally aspirated formula 1989–1994 | 3.5 L naturally aspirated | V8 / V10 / V12 | 600-780 | 12,000-14,500 rpm | Turbos banned outright. The V10 emerged as the best compromise between the V8's weight and the V12's power. |
| The V10 era 1995–2005 | 3.0 L naturally aspirated | V10 (mandated from 2000) | 700-980 | up to 19,000 rpm | Capacity cut for safety after 1994. By 2005 the best engines revved past 19,000 rpm and lasted two race weekends. |
| The V8 era 2006–2013 | 2.4 L naturally aspirated V8 | V8 | 720-780 | 20,000 rpm to 2006, then 19,000, then 18,000 from 2009 | Rev limits and long-life rules progressively froze development. KERS introduced in 2009. |
| The turbo-hybrid era 2014–2025 | 1.6 L V6 turbocharged hybrid | V6 + MGU-K + MGU-H | ~850-1,050 combined | 15,000 rpm limit (practically ~12,000) | Thermal efficiency passed 50% — roughly double a road engine. Mercedes's split-turbo layout, with compressor and turbine at opposite ends of the engine, gave it a multi-year advantage. |
| The 50/50 hybrid formula 2026– | 1.6 L V6 turbo hybrid, no MGU-H | V6 + MGU-K | ~1,000 combined, roughly half electrical | 15,000 rpm | MGU-H removed to cut cost and complexity and to attract new manufacturers; electrical power raised to around 350 kW; 100% advanced sustainable fuel mandated. Audi, Ford (with Red Bull) and Cadillac's forthcoming GM unit were all drawn in by this ruleset. |
Scoring systems
Read this before comparing points across eras: until 1990 only a driver's best few results counted, so a published career total can be lower than the points actually scored.
| Years | Session | Scoring | Fastest lap | Dropped scores | Notes |
|---|---|---|---|---|---|
| 1950–1959 | Grand Prix | 8-6-4-3-2 to the top five | 1 point, shared equally if tied | Best 4 of 7 (1950), varying through the decade | Shared drives split the points equally between the drivers involved. |
| 1960 | Grand Prix | 8-6-4-3-2-1 to the top six | No point | Best 6 of 10 | The fastest-lap point was dropped. |
| 1961–1990 | Grand Prix | 9-6-4-3-2-1 to the top six | No point | Varied: typically best n from each half of the season | The long-running classic system. Dropped scores caused several championships to be decided on net rather than gross points, notably 1988. |
| 1991–2002 | Grand Prix | 10-6-4-3-2-1 to the top six | No point | Every result counts | The win was revalued to discourage points-accumulation racing. |
| 2003–2009 | Grand Prix | 10-8-6-5-4-3-2-1 to the top eight | No point | Every result counts | Widened deliberately to reduce Ferrari's dominance. |
| 2010–2018 | Grand Prix | 25-18-15-12-10-8-6-4-2-1 to the top ten | No point | Every result counts | Introduced with the expansion to 24 cars. |
| 2019–2024 | Grand Prix | 25-18-15-12-10-8-6-4-2-1 to the top ten | 1 point for fastest lap if classified in the top ten | Every result counts | — |
| 2021 | Sprint | 3-2-1 to the top three | No point | Every result counts | The sprint set the Grand Prix grid and its winner was credited with pole position. |
| 2022– | Sprint | 8-7-6-5-4-3-2-1 to the top eight | No point | Every result counts | From 2024 the sprint runs to its own qualifying session and no longer sets the Grand Prix grid. |
| 2025– | Grand Prix | 25-18-15-12-10-8-6-4-2-1 to the top ten | No point | Every result counts | The fastest-lap point was removed. |
Regulation changes
| Year | Category | Change | Detail | Impact |
|---|---|---|---|---|
| 2027 | financial | Unused cost cap carried forward; Indexation resumes | A team may deduct the previous year's unused cap, up to US$2,000,000 adjusted for Indexation, from its Relevant Costs (Article D6.1.1.n), and the US$215,000,000 cap is again adjusted for Indexation, which Section D does not apply to the 2026 reporting year (Article D4.1.2 and Appendix D1), both in the 2026 Financial Regulations (Section D, issue 07). | The headline figure is unchanged from 2026. The 2023-2025 regulations indexed the cap too; Section D's Indexation for 2027 is the 2026 inflation rate, or the rate to 30 June 2027 where that exceeds it by two points or more. |
| 2027 | technical | More fuel energy flow and ERS-K power | Fuel energy flow may reach 3,150 MJ/h, up from 3,000 MJ/h (Article C5.2.3); the absolute electrical DC power of the ERS-K rises from 350 kW to 375 kW (C5.2.7); the Energy Store's state-of-charge window widens from 4 MJ to 4.5 MJ (C5.2.9); and engine intake air pressure may reach 5.0 barA, up from 4.8 barA (C5.3.2), all in the 2027 Technical Regulations (Section C, issue 04). | Appendix C7 of the same issue already approves further rises for 2028: 3,400 MJ/h of fuel energy flow and 400 kW from the ERS-K. |
| 2027 | technical | Flat ERS-K limits replace the speed curves with and without Overtake | The ERS-K power used to propel the car is capped at 350 kW when Overtake is active in the Race or Sprint, and at 300 kW when it is not and during any power limited period in Qualifying and Sprint Qualifying, replacing the 2026 limits, which fell with car speed and reached zero at 345 km/h without Overtake and 355 km/h with it (Article C5.2.8, the 2027 Technical Regulations (Section C, issue 04)). | Further limits for power limited periods, curves dependent on car speed among them, are set out in FIA-F1-DOC-111. |
| 2027 | technical | Compression ratio measured hot | The 16.0 limit on geometric compression ratio is measured with the Engine at 130 °C; in 2026 it was measured at ambient temperature until 31 May and at both ambient temperature and 130 °C from 1 June. Dead volumes connected to the combustion chamber, the pre-chamber included, are sealed before measurement and a fixed 1.2 is deducted from the measured ratio (Article C5.4.3, the 2027 Technical Regulations (Section C, issue 04)). | Any component designed or functioning to raise the ratio beyond 16.0 in operating conditions remains prohibited, as it was from 1 June 2026. |
| 2027 | technical | Damper behaviour constrained | A suspension element's force-velocity or force-displacement characteristic may respond only to the relative velocity and distance between its nodes; a damper's force must tend to zero as its nodal velocity does, save for force from a permitted anti-cavitation spring, from end stops and from incidental effects such as hysteresis; above 8 mm/s and below 200 mm/s the damping force in one direction may be no more than ten times that in the other, roll dampers excepted; and no internal linkage may reach a remote body, nor a fluid channel be shaped to add an inertial effect (Article C10.4.3, the 2027 Technical Regulations (Section C, issue 04)). | Each team shows its dampers comply by documenting them to the FIA under FIA-F1-DOC-001. |
| 2027 | sporting | Race distance cut to 290 km | A Race is the least number of complete laps exceeding 290 km, down from 305 km; Monaco stays at 260 km (Article B2.5.2, the 2027 Sporting Regulations (Section B, issue 01)). | — |
| 2027 | sporting | Race Session Cut-Off Time replaces the three-hour limit | A suspension is no longer added to the two-hour period up to a three-hour total. Instead the leader is shown the end-of-session signal at the end of the lap after the one in which the Race Session Cut-Off Time, a time of day given in each Competition visa, is reached (Article B2.5.3b and Appendix B1, the 2027 Sporting Regulations (Section B, issue 01)). | The two-hour limit on running from the start signal is unchanged (Article B2.5.3a). |
| 2027 | sporting | One pre-season test of four days | Pre-Season Public Collective Testing becomes one test of four consecutive days, between 1 February and seven days before the first Competition, where 2026 had two tests of three days from 7 February; the 2026 Pre-Season Private Collective Testing in January is removed (Article B11.2.7, the 2027 Sporting Regulations (Section B, issue 01)). | — |
| 2027 | sporting | Fewer exceptions to the Restricted Periods | Each Competitor's exceptions to the three Restricted Periods fall from six, five and four to five, four and three (Article B9.5.3, the 2027 Sporting Regulations (Section B, issue 01)). | — |
| 2027 | sporting | Additional power unit elements extended to 2027 and 2028 | The additional unit of each power unit element that each driver was permitted in 2026 is permitted in the 2027 and 2028 Championships too (Article B8.2.3a, the 2027 Sporting Regulations (Section B, issue 01)). | — |
| 2026 | financial | Cost cap set at US$215 million | US$215,000,000 for a reporting year of up to 24 Competitions, plus US$1,800,000 for each Competition above 24, in the 2026 Financial Regulations (Section D, issue 07); 2025 was US$135,000,000 at 21 Competitions. | The first change to the headline figure since 2023. The schedule year by year is in regulation_limits. |
| 2026 | technical | New chassis formula | Wheelbase capped at 3,400 mm, width reduced to 1,900 mm, minimum weight 768 kg (722 kg car and driver plus 46 kg estimated tyre mass in the FIA overview). | The first deliberate reduction in car size and weight in decades. |
| 2026 | technical | Active aerodynamics replace DRS | Driver-operable front and rear wing systems with distinct low-drag and high-downforce modes. | Removes the DRS proximity mechanism in favour of a mode both cars can use. |
| 2026 | sporting | Overtake Mode | A driver within one second at the detection point receives additional energy deployment — the FIA/F1 overview describes an extra 0.5 MJ and a raised deployment profile. | The successor mechanism to DRS's overtaking assistance. |
| 2026 | technical | MGU-H removed | The turbo-driven heat-energy recovery unit is deleted from the power unit. | Cut cost and complexity; explicitly credited with attracting Audi, Ford and General Motors. |
| 2026 | technical | Roughly 50/50 power split | Electrical output raised to approximately 350 kW, against a comparable figure from the internal combustion engine. | — |
| 2026 | technical | 100% advanced sustainable fuel | Fully sustainable drop-in fuel mandated. | The sport's principal decarbonisation claim for the ruleset. |
| 2026 | safety | Tougher homologation tests | Roll-hoop vertical impact requirement raised from 16 g to 20 g; a two-stage nose-cone concept introduced. | — |
| 2025 | sporting | Fastest lap point removed | The bonus point introduced in 2019 was dropped. | Removed an incentive for late 'free' pit stops by out-of-contention cars. |
| 2023 | sporting | Floor edge and stiffness rules tightened | Floor edges raised and diffuser throat height increased to curb porpoising. | — |
| 2022 | technical | Ground effect returns | Venturi tunnels reinstated with simplified over-body aerodynamics, 18-inch wheels and standardised parts. | Intended to let cars follow closely. Porpoising — aerodynamic bouncing — dominated the first season and forced a mid-2022 technical directive on floor stiffness and a vertical-oscillation metric. |
| 2021 | financial | Cost cap introduced | A budget cap of $145 m for 2021, excluding driver salaries, marketing and the three highest-paid staff. | The most consequential governance change since the Concorde Agreement; designed to compress the competitive order. |
| 2021 | sporting | Sprint format trialled | Three events ran a short Saturday race setting the grid, with points to the top three. | Extended to six events; sprint results decoupled from the Grand Prix grid from 2024. |
| 2019 | sporting | Point for fastest lap | One point for the fastest lap, if finishing in the top ten. | Removed again from 2025. |
| 2018 | safety | Halo mandated | A titanium cockpit protection structure able to withstand 12 tonnes. | Initially unpopular on aesthetic grounds; credited with saving Leclerc at Spa 2018, Grosjean at Bahrain 2020 and Zhou at Silverstone 2022. |
| 2017 | technical | Wider cars and tyres | Cars widened to 2.0 m, wider tyres, larger diffuser and lower rear wing. | Lap records fell across the calendar; following became harder. |
| 2015 | safety | Virtual Safety Car | A field-wide delta-time speed restriction introduced after Jules Bianchi's accident at Suzuka. | Allows yellow-flag conditions to be enforced without bunching the field. |
| 2014 | technical | 1.6 L V6 turbo-hybrid power units | ERS with MGU-K and MGU-H, 100 kg fuel limit and 100 kg/h flow limit; five power-unit elements per season. | The most radical technical change in the sport's history. Thermal efficiency passed 50%. Development costs pushed several independent engine builders out. |
| 2014 | sporting | Double points at the finale | The last race awarded double points. | Used once, universally disliked, and dropped. |
| 2011 | technical | DRS and Pirelli high-degradation tyres | A driver-adjustable rear wing usable within one second of the car ahead in designated zones, and tyres designed to fall off deliberately. | Both were explicit attempts to manufacture overtaking; both remain contested on sporting-purity grounds. |
| 2010 | sporting | Refuelling banned; new points system | Race refuelling prohibited; 25-18-15-12-10-8-6-4-2-1 introduced with the field expanded to 24 cars. | Fuel loads at the start became a major performance factor. |
| 2009 | technical | Aerodynamic overhaul and KERS | Wide low front wing, narrow high rear wing, most bodywork appendages removed; optional 60 kW kinetic energy recovery. | First serious attempt to design for following another car. The double-diffuser loophole dominated the season. |
| 2008 | technical | Standard ECU | A single McLaren Electronic Systems ECU for all cars. | Made traction control and engine braking control enforceable to ban. |
| 2007 | sporting | Single tyre supplier | Bridgestone became the sole supplier after Michelin's withdrawal. | Ended tyre-war development and made tyres a controlled variable. |
| 2006 | technical | 2.4 L V8 engines | V10s replaced to cut power and cost. | — |
| 2005 | sporting | One engine per two race weekends; tyre changes banned | Engines had to last two events; tyres could not be changed during a race. | The tyre rule was abandoned after the 2005 US GP fiasco. |
| 2003 | sporting | Points to the top eight; single-lap qualifying | 10-8-6-5-4-3-2-1 introduced; parc ferme rules restricted set-up changes after qualifying. | Deliberately designed to reduce Ferrari's margin. |
| 2003 | sporting | Team orders banned | Following the 2002 Austrian GP, orders that interfere with a race result were prohibited. | Repealed in 2011 as unenforceable. |
| 2001 | technical | Traction control legalised | Reinstated from the Spanish GP because the ban had become unpoliceable. | Banned again in 2008 with the standard ECU. |
| 1998 | technical | Narrow-track cars and grooved tyres | Track cut from 2.0 m to 1.8 m; three grooves front and four rear. | Cut cornering speed at the expense of mechanical grip. |
| 1996 | safety | Higher cockpit sides mandated | Head protection raised around the cockpit rim. | — |
| 1995 | technical | 3.0 L capacity limit | Engine capacity cut from 3.5 L. | A direct response to the 1994 accidents. |
| 1994 | sporting | Refuelling reintroduced | Mid-race refuelling permitted from 1994. | Made race strategy a central competitive variable for sixteen years. |
| 1994 | technical | Electronic driver aids banned | Active suspension, traction control, ABS, four-wheel steering and launch control outlawed. | Cars became markedly harder to drive; the enforcement difficulty led to traction control being legalised again in 2001. |
| 1994 | safety | Emergency in-season rule changes | After Imola: plank under the floor, reduced airbox and diffuser, larger cockpit opening, restricted front wing endplates. | The most abrupt safety intervention in the sport's history. |
| 1990 | sporting | Dropped scores abolished | All results counted towards the championship for the first time. | Simplified the championship and ended the era of gross-versus-net point totals. |
| 1989 | technical | Turbocharging banned | 3.5 L naturally aspirated only. | Ended the highest-power era in the sport's history. |
| 1988 | technical | 2.5 bar boost limit and 150 litre fuel limit | Final year of turbo eligibility. | McLaren-Honda still won 15 of 16 races. |
| 1987 | technical | 4.0 bar boost limit; naturally aspirated cars readmitted | 3.5 L atmospheric engines permitted alongside boost-limited turbos, with separate trophies. | Began the managed phase-out of turbos. |
| 1986 | technical | Naturally aspirated engines outlawed | Turbo-only season, the sole one in the sport's history. | — |
| 1984 | technical | Refuelling banned; 220 litre fuel limit | Race fuel capped to restrain turbo power. | Turbo engines were detuned for races and unleashed in qualifying. |
| 1983 | technical | Flat bottoms mandated | Underbody had to be flat between the axles, ending Venturi tunnels. | Cornering speeds fell sharply; downforce moved back to wings. |
| 1981 | sporting | First Concorde Agreement | Settled the FISA-FOCA war over commercial rights and rule-making between the governing body, the teams and the commercial rights holder. | Established the tripartite governance model that still applies. |
| 1981 | technical | Sliding skirts banned; 6 cm ride height minimum | Aimed at killing ground effect. | Circumvented by hydropneumatic suspension that lowered the car at speed. |
| 1977 | technical | First turbocharged car | Renault exploited the long-dormant 1.5 L forced-induction option with the RS01. | Began an eleven-year turbo arms race. |
| 1976 | technical | Tall airboxes banned | Mid-season ban following the airbox height arms race. | — |
| 1973 | safety | Deformable structures around the cockpit | Side crash structures mandated. | — |
| 1972 | technical | Airbox regulations and safety structures | Rollover bar dimensions specified; onboard fire extinguishers and electrical cut-off required. | — |
| 1970 | safety | Mandatory deformable structure and fuel bag tanks | Crushable structures around fuel cells and self-sealing bag tanks required. | Directly reduced fire deaths, the era's dominant killer. |
| 1969 | technical | High wings banned mid-season | Following strut failures for both Lotus drivers at Barcelona, tall aerofoils on unsprung mountings were outlawed. | Aerodynamic devices were henceforth required to be fixed to the sprung mass and limited in height. |
| 1968 | sporting | Commercial sponsorship permitted | The FIA allowed liveries other than national racing colours. | Gold Leaf Team Lotus appeared in red, white and gold. The sport's commercial model begins here. |
| 1966 | technical | 3.0 L formula | Capacity doubled, or 1.5 L with forced induction. | 'The return of power'; the Cosworth DFV followed in 1967. |
| 1961 | technical | 1.5 L formula | Capacity halved and a minimum weight of 450 kg imposed. | Fiercely opposed by British teams, who were unprepared; Ferrari dominated 1961. |
| 1958 | sporting | International Cup for F1 Manufacturers | The first Constructors' Championship, awarded to Vanwall. | Made the constructor, not just the driver, a championship competitor. |
| 1958 | sporting | Commercial fuel mandated | Avgas replaced exotic alcohol fuel blends; race distances cut from 500 km to 300 km. | Cut power and cost, and shortened races to roughly two hours. |
| 1954 | technical | 2.5 L naturally aspirated formula | New capacity limit; supercharging limited to 750 cc and effectively abandoned. | Drew Mercedes and Lancia into the championship. |
| 1952 | technical | Championship run to Formula 2 | 2.0 L naturally aspirated, adopted for 1952-53 after Alfa Romeo's withdrawal left too few competitive F1 cars. | Ascari won every race he entered across the two years. |
| 1950 | sporting | World Championship established | The FIA created a Drivers' World Championship over six European Grands Prix plus the Indianapolis 500. | Turned a loose calendar of national Grands Prix into a single competition. |
| 1950 | sporting | Points to the top five plus fastest lap | 8-6-4-3-2 with one point for fastest lap, shared if tied. Only a driver's best four results counted. | Dropped scores would remain in some form until 1990. |
Regulation limits
The numeric limits the regulations set for a season — on the car, and on the weekend: tyre sets, classification, the 107% rule, the cost cap. They are kept here rather than on each car, because a rule several teams quote is not a measurement of any one of them.
| Limit | Years | Value | Unit | Note |
|---|---|---|---|---|
| cost_cap_per_competition_usd | 2027 | 1,800,000 | USD | Added for each Competition above 24, before Indexation (Article D4.1.2, issue 07). |
| cost_cap_usd | 2027 | 215,000,000 | USD | For a reporting year of 24 Competitions or fewer, before Indexation: Article D4.1.2 of the 2026 Financial Regulations (Section D, issue 07) adjusts it by the 2026 inflation rate, or by the rate to 30 June 2027 where that exceeds it by two points or more, as the Cost Cap Administration communicates them. The adjusted figure is not held here. |
| classification_min_distance_pct | 2026 | 90 | % | The same rule for the Race (Article B2.5.5b) and the Sprint (Article B2.3.5b). |
| cost_cap_per_competition_usd | 2026 | 1,800,000 | USD | Added for each Competition above 24. |
| cost_cap_usd | 2026 | 215,000,000 | USD | For a reporting year of 24 Competitions or fewer, under the 2026 Financial Regulations (Section D, issue 07). |
| maximum_wheelbase_mm | 2026 | 3,400 | mm | The first wheelbase cap in the modern rules. A 2026 car quoted at 3,400 mm is being quoted the rule. |
| maximum_width_mm | 2026 | 1,900 | mm | Part of the 2026 reduction in car size. |
| minimum_weight_kg | 2026 | 768 | kg | The first deliberate weight reduction in decades: 722 kg of car and driver plus 46 kg of estimated tyre mass in the FIA overview. Every 2026 car will be built to this number, so it says nothing about any one of them. |
| qualifying_107_pct | 2026 | 107 | % | The same rule for Q1 (Article B2.4.3b.i) and SQ1 (Article B2.2.3b.i), with participation in the rest of the Competition still left to the stewards. |
| tyre_sets_dry_per_competition | 2026 | 13 | sets | Per driver at a Standard Format Competition; twelve at an Alternative Format Competition (one with a sprint) and twelve at a Standard Format Competition with In-Competition Tyre Testing (Article B6.3.4). |
| tyre_sets_intermediate_per_competition | 2026 | 5 | sets | Per driver per Competition at every format (Article B6.3.4). At an Alternative Format Competition one additional set is made available to a driver who used intermediates in a wet FP1 or Sprint Qualifying, or in the Sprint (Article B6.3.9b). |
| tyre_sets_wet_per_competition | 2026 | 2 | sets | Per driver per Competition at every format, Monaco included: the 2026 issue carries no Monaco exception (Article B6.3.4). |
| minimum_weight_kg | 2025 | 800 | kg | Raised by 2 kg for the higher driver allowance and 5 kg for the mandated driver cooling system. |
| minimum_weight_kg | 2024 | 798 | kg | Recorded only because the 2025 change is stated as an increase FROM 798 kg, which fixes the 2024 figure. |
| tyre_sets_intermediate_per_competition | 2024–2025 | 5 | sets | Per driver per Competition (Article 30.2(a)); the 2025 issue restates it. |
| tyre_sets_wet_per_competition | 2024–2025 | 2 | sets | Per driver per Competition (Article 30.2(a)). The 2025 issue makes it three at Monaco; the 2024 issue has no exception. |
| cost_cap_per_competition_usd | 2023–2025 | 1,800,000 | USD | Added or removed for each Competition above or below 21. |
| cost_cap_usd | 2023–2025 | 135,000,000 | USD | For a 21-Competition reporting year, before Indexation. Issue 18 sets it for 2023 'and each subsequent' year; issues 22 and 25 restate it for 2024 and 2025. |
| qualifying_107_pct | 2023–2025 | 107 | % | A driver knocked out in Q1 or SQ1 with a best lap more than 107% of that session's fastest is left unclassified, unless the Race Director had declared the track wet (Article 39.4(c)(i) in 2023, 39.4(b)(i) in 2024 and 2025). Whether an unclassified driver takes part in the rest of the Competition is a separate decision for the stewards; the bar on starting the race that the 2018 to 2022 issues carried is gone. |
| cost_cap_usd | 2022 | 140,000,000 | USD | For a 21-Competition reporting year (issue 12). |
| cost_cap_per_competition_usd | 2021–2022 | 1,200,000 | USD | Added or removed for each Competition above or below 21 (issue 8 states it for 2021 and 2022). |
| cost_cap_usd | 2021 | 145,000,000 | USD | For a 21-Competition reporting year (FIA Financial Regulations 2021, issue 8). |
| classification_min_distance_pct | 2018–2025 | 90 | % | A car that has covered less than 90% of the winner's laps, rounded down to whole laps, is not classified: Article 45.2 of the 2018 to 2020 issues; 55.2 for the race and 54.2 for sprint qualifying in 2021; 62.2 for the race and 61.2 for the sprint from 2022. |
| qualifying_107_pct | 2018–2022 | 107 | % | A driver knocked out in Q1 is barred from the race if their best lap there was more than 107% of the session's fastest, or they set no time at all, unless the track was declared wet; in exceptional circumstances the stewards can still admit them. Article 35.1 of the 2018 to 2020 issues; 36.2 in 2021, where 35.2 also bars such a driver from sprint qualifying; 42.2 for the race and 41.2 for the sprint in 2022, whose Article 39.3(b)(i) also declares the driver unclassified. |
| tyre_sets_dry_per_competition | 2018–2025 | 13 | sets | Per driver per Event (Article 24.2(a) of the 2018 to 2021 issues) and per Competition (Article 30.2(a) from 2022), where no sprint is scheduled and no additional tyres are made available. The later issues add the exceptions: twelve where sprint qualifying (from 2022 a sprint session) is scheduled, from 2021; twelve where additional tyres are made available under Article 30.1(a)(iii), from 2022; eleven where an Alternative Tyre Allocation is scheduled, in the 2023 issue only. |
| tyre_sets_intermediate_per_competition | 2018–2023 | 4 | sets | Per driver per Event (Article 24.2(a) of the 2018 to 2021 issues) and per Competition (Article 30.2(a) of the 2022 and 2023 issues), at every format. The 2024 issue raised it to five. |
| tyre_sets_wet_per_competition | 2018–2023 | 3 | sets | Per driver per Event (Article 24.2(a) of the 2018 to 2021 issues) and per Competition (Article 30.2(a) of the 2022 and 2023 issues), at every format. The 2024 issue cut it to two. |
| maximum_width_mm | 2017–2025 | 2,000 | mm | Widened from 1,800 mm for 2017; reduced again for 2026, which is what bounds this row. |
| minimum_weight_kg | 2017 | 728 | kg | Raised with the wider car and wider tyres. |
| minimum_weight_kg | 2014 | 691 | kg | Car and driver, without fuel, at all times during the Event (Articles 1.9 and 4.1 of the 2014 Technical Regulations, 23 January 2014). The first year of the hybrid power units. |
| minimum_weight_kg | 2013 | 642 | kg | The last year of the V8 formula. The hybrid rules raised it again for 2014; this source does not give that figure, so the row stops here. |
| minimum_weight_kg | 2010 | 620 | kg | The weight of the car with the driver in his racing apparel, at all times during the Event (Articles 1.9 and 4.1 of the 2010 Technical Regulations, 23 June 2010). |
| minimum_weight_kg | 2004 | 605 | kg | 605 kg in qualifying, and not below 600 kg at any other time, including driver and fuel. |
| minimum_weight_kg | 1988 | 540 | kg | Raised with the mandatory static crash test. The next change this source records is 2004, so the row stops here rather than carry a 1988 figure through the 1990s. |
| minimum_weight_kg | 1987 | 500 | kg | Reduced when naturally aspirated engines were re-allowed at 3,500 cc. |
| minimum_weight_kg | 1983–1986 | 540 | kg | Reduced when ground-effect undertrays were outlawed. |
| minimum_weight_kg | 1982 | 580 | kg | Reduced when rigid skirts were legalised. |
| minimum_weight_kg | 1981 | 585 | kg | Raised with the survival cell extending to the driver's feet. |
| minimum_weight_kg | 1973–1980 | 575 | kg | Raised with the mandatory crushable structure around the fuel tanks. The 1980 regulations restate it unchanged, which is what bounds this row rather than an assumption that nothing happened in between. |
| minimum_weight_kg | 1972 | 550 | kg | Raised alongside safety foam in the fuel tanks. |
| minimum_weight_kg | 1970–1971 | 530 | kg | Raised alongside mandatory bladder fuel cells. |
| minimum_weight_kg | 1966–1969 | 500 | kg | Raised with the 3.0-litre formula. |
| minimum_weight_kg | 1961–1965 | 450 | kg | The first minimum weight in Formula One; there was none before 1961. |
Technical innovations
| Year | Innovation | Originator | What it was | What became of it | Banned |
|---|---|---|---|---|---|
| 1950 | Mid-engined layout (in embryo) | Cooper | Cooper's rear-engined 500 cc cars scaled up to Grand Prix racing by 1958-59. | Universal from 1961; every F1 car since has had the engine behind the driver. | — |
| 1954 | Desmodromic valves and fuel injection | Mercedes-Benz W196 | Positively closed valves and direct fuel injection derived from aero-engine work. | Injection became universal; desmodromics did not. | — |
| 1962 | Monocoque chassis | Lotus 25 (Colin Chapman) | A stressed-skin aluminium tub replacing the spaceframe. | Halved chassis weight and roughly trebled torsional stiffness. Now universal, in carbon fibre. | — |
| 1967 | The Cosworth DFV as a stressed member | Lotus 49 / Cosworth | The engine bolted directly to the rear of the monocoque and carried the suspension loads. | Made the small independent constructor viable for two decades. | — |
| 1968 | Aerofoil wings | Lotus and Ferrari | Inverted aerofoils generating downforce. | The single most important performance concept in the sport's history. | — |
| 1970 | Side-mounted radiators | Lotus 72 | Radiators moved from the nose to the flanks, giving a wedge profile and cleaner front-end airflow. | Standard layout ever since. | — |
| 1976 | Six-wheeled car | Tyrrell P34 | Four small front wheels to cut frontal area while retaining braking and grip. | Won the 1976 Swedish GP. Tyre development killed it; four-wheel cars mandated from 1983. | 1983 |
| 1977 | Ground effect | Lotus 78/79 (Peter Wright, Colin Chapman) | Inverted-wing underbody profiles with sliding skirts sealing the low-pressure area. | Transformed cornering speed. Banned in 1983, reintroduced in modified form in 2022. | 1983 |
| 1977 | Turbocharging | Renault RS01 | 1.5 L forced-induction engine exploiting a long-ignored rule. | Defined 1980s F1 and produced the highest power figures ever seen in the sport. | 1989 |
| 1978 | Fan car | Brabham BT46B (Gordon Murray) | A fan, nominally for cooling, extracting air from beneath the car to generate suction. | Won its only race, the 1978 Swedish GP, and was withdrawn under pressure. | 1978 |
| 1981 | Carbon-fibre monocoque | McLaren MP4/1 (John Barnard) | The first F1 chassis made from carbon composite. | Vastly stronger and lighter than aluminium; the foundation of modern survival-cell safety. Universal within four years. | — |
| 1989 | Semi-automatic gearbox | Ferrari 640 (John Barnard) | Electrohydraulic paddle-shift with no clutch pedal for upshifts. | Universal by the mid-1990s. | — |
| 1992 | Active suspension | Williams FW14B | Computer-controlled hydraulic ride height maintaining optimum aerodynamic platform. | Devastatingly effective; banned for 1994. | 1994 |
| 1997 | Brake steer | McLaren MP4/12 | A second brake pedal acting on one rear wheel to rotate the car. | Banned once revealed, as a four-wheel-steering device. | 1998 |
| 1998 | Mass damper | Renault R25/R26 | A sprung mass in the nose damping tyre oscillation and stabilising the aerodynamic platform. | Banned mid-2006 as a movable aerodynamic device. | 2006 |
| 2003 | Twin-keel and zero-keel front suspension | Various | Front wishbone mounting philosophies to clean up airflow under the nose. | Superseded by pull-rod and high-nose concepts. | — |
| 2009 | Double diffuser | Brawn, Toyota, Williams | A second-tier diffuser exploiting a gap in the wording of the 2009 rules. | Effectively decided the 2009 championship; banned for 2011. | 2011 |
| 2009 | KERS | Multiple | 60 kW kinetic energy recovery under braking. | The bridgehead to the hybrid era. | — |
| 2010 | F-duct | McLaren MW23 | A driver-operated duct stalling the rear wing on the straights for less drag. | Banned for 2011 as a movable aerodynamic device operated by the driver. | 2011 |
| 2010 | Blown diffuser | Red Bull RB6 | Exhaust gases routed into the diffuser to energise it, including off-throttle. | Progressively restricted 2011-2013 through exhaust position rules. | 2014 |
| 2011 | DRS | FIA regulation | Driver-adjustable rear wing within one second of the car ahead. | Replaced by active aerodynamics and Overtake Mode in 2026. | 2026 |
| 2014 | Split-turbo layout | Mercedes PU106A | Compressor at the front of the engine and turbine at the rear, joined by a shaft through the vee, with the MGU-H between them. | Gave Mercedes a package advantage that took rivals several seasons to answer. | — |
| 2014 | Pre-chamber / jet ignition combustion | Mercedes and others | A small pre-combustion chamber igniting an ultra-lean main charge. | Took thermal efficiency past 50%, roughly double a typical road petrol engine. | — |
| 2017 | Bargeboard complexity | Multiple | Elaborate flow-conditioning structures ahead of the sidepods. | Largely legislated away for 2022 to reduce wake sensitivity. | 2022 |
| 2020 | DAS (dual-axis steering) | Mercedes W11 | Pushing and pulling the steering column altered front wheel toe on the move. | Legal in 2020, explicitly banned for 2021. | 2021 |
| 2022 | Zero-sidepod concept | Mercedes W13 | A radical narrow-sidepod interpretation of the ground-effect rules. | Abandoned after two seasons; a rare example of a distinctive concept that simply did not work. | — |
Safety 26
Fuel and crowd control questions raised1961
After: Von Trips's Monza crash killing 15 spectators
Spectator placement began to be treated as a design problem rather than a local matter.
Grand Prix Drivers' Association reactivated1967
After: Rising fatality rate
Jackie Stewart's campaign for barriers, run-off, medical facilities and marshalling standards begins in earnest.
Full-face helmets and rollover bars1968
After: Multiple fatalities including Clark, Spence, Schlesser and Bandini
Rollover protection specified; full-face helmets adopted.
Bag fuel tanks and deformable structures1970
After: Fire deaths through the 1960s
Self-sealing fuel cells became mandatory.
Six-point harnesses and onboard extinguishers1972
Standardised restraint and fire suppression.
Deformable side structures1973
After: Roger Williamson's death in a fire at Zandvoort with no marshal intervention
Marshalling and fire-crew standards overhauled alongside the car rules.
Permanent medical car and travelling medical delegate1977
After: Tom Pryce's death at Kyalami
Professor Sid Watkins appointed in 1978; a doctor now travels with the championship.
Standardised race-start procedure and medical helicopter1978
After: Ronnie Peterson's death after a delayed extraction at Monza
A helicopter capable of flying must be on site or the race does not start.
Survival cell strength test1981
Minimum crash structure ahead of the driver's feet.
Frontal crash test introduced1985
Cars had to pass a static and then dynamic impact test to be eligible.
Driver's feet behind the front axle line1988
Ended the practice of pedals ahead of the front wheels.
Comprehensive post-Imola overhaul1994
After: Deaths of Senna and Ratzenberger, injuries to Wendlinger, Barrichello and Lehto
Immediate aerodynamic cuts, then a multi-year programme: higher cockpit sides, larger cockpit template, wheel tethers, stronger side impact structures, and the FIA Institute's crash-research programme.
Raised cockpit sides1996
Head and neck protection around the cockpit rim.
Wheel tethers1997
After: Wheels leaving cars in accidents
Tethers to retain wheels; strengthened repeatedly since, with double tethers from 2011.
Higher cockpit sides and headrest energy absorption1999
HANS device mandated2003
After: Basilar skull fractures in motorsport worldwide
Head and neck support tethering the helmet to the shoulders; the single most effective driver-protection device of its generation.
Stronger side-impact and rear-impact structures2005
Zylon anti-penetration visor panel2009
After: Felipe Massa struck by a loose spring at the Hungaroring; Henry Surtees killed in F2
A ballistic strip added to helmet visors.
Double wheel tethers2011
Virtual Safety Car and closed pit-lane research2014
After: Jules Bianchi's accident at Suzuka
VSC introduced for 2015; the accident also began the closed-cockpit research programme.
Standardised recovery-vehicle procedures2015
After: Bianchi
Recovery vehicles may not be on track without VSC or safety car.
Halo2018
After: Bianchi's death and the Justin Wilson and Henry Surtees fatalities in other categories
A titanium structure withstanding 12 tonnes, roughly the weight of a London bus. Credited with saving lives at Spa 2018, Bahrain 2020 and Silverstone 2022.
Stronger chassis and higher-load survival cell2019
Front and side impact loads increased substantially.
Roll hoop load test increase2021
Preceded further increases after Zhou Guanyu's 2022 Silverstone crash, in which the roll hoop failed.
Aeroscreen research and roll-hoop redesign2022
After: Zhou Guanyu's inverted crash at Silverstone
Roll-hoop homologation revised to eliminate pointed designs that could dig into the surface.
Roll-hoop vertical test raised to 20 g2026
Up from 16 g, alongside a two-stage nose-cone concept in the 2026 framework.
Governance
| Year | Event | Detail | Why it mattered |
|---|---|---|---|
| 1946 | FIA constituted in its modern form | The Federation Internationale de l'Automobile reorganised after the war and created the Commission Sportive Internationale. | The sport's governing body. |
| 1950 | World Championship of Drivers created | Seven races, six European Grands Prix plus the Indianapolis 500. | The founding act. |
| 1958 | Constructors' Championship created | First awarded to Vanwall. | Made teams championship competitors in their own right. |
| 1970 | Bernie Ecclestone buys Brabham | Ecclestone entered team ownership and soon led the Formula One Constructors' Association. | The origin of the sport's centralised commercial model. |
| 1978 | FOCA vs FISA conflict begins | A dispute between the British 'garagiste' teams and the governing body over technical rules and commercial rights. | Nearly split the sport; several races were boycotted. |
| 1981 | First Concorde Agreement | Settled rule-making authority with the FIA and commercial rights administration with FOCA. | The framework that still governs the sport. |
| 1993 | Max Mosley elected FIA President | Began a sustained programme on safety and cost control. | Presided over the post-1994 safety transformation. |
| 1994 | FIA safety programme accelerated | Following Imola, a permanent research and crash-testing programme was established. | Underpins every subsequent safety rule. |
| 2000 | Commercial rights leased for 100 years | The FIA leased the commercial rights to Ecclestone's companies from 2011 for a century. | Separated governance from commerce definitively. |
| 2009 | FOTA breakaway threat | Teams threatened to form a rival series over budget caps and governance. | Resolved with Mosley's departure and a new Concorde Agreement. |
| 2009 | Jean Todt elected FIA President | Former Ferrari team principal. | Oversaw the hybrid formula and the cost cap's design. |
| 2017 | Liberty Media acquires Formula One | Purchase from CVC Capital Partners completed in January 2017. | Shifted the commercial strategy towards digital, US expansion and fan engagement; 'Drive to Survive' followed in 2019. |
| 2021 | Cost cap comes into force | $145 m initially, tapering, with an FIA financial regulations division to audit teams. | The most significant structural change to competition since the Concorde Agreement. Red Bull was found in minor breach for 2021 and penalised with a fine and reduced aerodynamic testing. |
| 2021 | Mohammed Ben Sulayem elected FIA President | — | — |
| 2022 | Race control restructured | Following the 2021 Abu Dhabi finish, the race director role was changed, a virtual race control room established and direct team-to-race-director radio removed. | An institutional response to a refereeing failure. |
| 2023 | Andretti-Cadillac entry application | The FIA approved the sporting application; the commercial rights holder initially declined. | Exposed the tension between FIA approval and commercial acceptance of new entrants. |
| 2025 | Cadillac entry confirmed for 2026 | General Motors committed as a power-unit manufacturer and the entry was accepted. | The grid expands to eleven teams for the first time since 2016. |
| 2026 | New regulations cycle begins | Sections A-F of the F1 regulations reissued through 2025-26 for the new chassis, power unit, financial and operational rules. | Audi and Cadillac join; Ford returns via Red Bull Powertrains. |
Tyre suppliers
| Supplier | Years | Sole supplier | Notes |
|---|---|---|---|
| Pirelli | 1950–1958 | no | Present at the championship's founding. |
| Dunlop | 1950–1970 | no | Dominant through the late 1950s and 1960s. |
| Englebert | 1950–1958 | no | Belgian supplier, closely associated with Ferrari. |
| Firestone | 1950–1974 | no | Present at Indianapolis from the start and in Grand Prix racing from 1966. |
| Goodyear | 1959–1998 | no | The most successful tyre supplier in the sport's history; sole supplier 1988-1996 apart from Pirelli's brief return. |
| Michelin | 1977–2006 | no | Introduced radial tyres to F1 in 1977. Withdrew after the 2005 Indianapolis failure and the 2006 season. |
| Pirelli | 1981–1991 | no | Second spell. |
| Bridgestone | 1997–2010 | no | Sole supplier 2007-2010 after Michelin's withdrawal. |
| Pirelli | 2011– | yes | Sole supplier since 2011, contracted to design deliberately high-degradation tyres to generate strategic variation. |