1986 Portuguese Grand Prix
- Round
- 14 of 1986
- Circuit
- Autodromo do Estoril
- Location
- Estoril, Portugal
- Dates
- —
- Format
- Standard weekend
- Winner
- Nigel Mansell
- Constructor
- Williams
- Entrant
- Williams-Honda
- Pole position
- Ayrton Senna
- Fastest lap
- Nigel Mansell
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Nigel Mansell | Williams | 2 | 70 | 9 | — · fastest lap |
| 2 | Alain Prost | McLaren | 3 | 70 | 6 | — |
| 3 | Nelson Piquet | Williams | 6 | 70 | 4 | — |
| 4 | Ayrton Senna | Team Lotus | 1 | 69 | 3 | Out of fuel |
| 5 | Michele Alboreto | Ferrari | 13 | 69 | 2 | — |
| 6 | Stefan Johansson | Ferrari | 8 | 69 | 1 | — |
| 7 | Rene Arnoux | Ligier | 10 | 69 | — | — |
| 8 | Teo Fabi | Benetton | 5 | 68 | — | — |
| 9 | Johnny Dumfries | Team Lotus | 15 | 68 | — | — |
| 10 | Thierry Boutsen | Arrows | 21 | 67 | — | — |
| 11 | Christian Danner | Arrows | 22 | 67 | — | — |
| 12 | Jonathan Palmer | Zakspeed | 20 | 67 | — | — |
| 13 | Allen Berg | Osella | 27 | 63 | — | — |
| DNF | Gerhard Berger | Benetton | 4 | 44 | — | Spun off |
| DNF | Keke Rosberg | McLaren | 7 | 41 | — | Electrical |
| DNF | Riccardo Patrese | Brabham | 9 | 62 | — | Engine |
| DNF | Philippe Alliot | Ligier | 11 | 39 | — | Engine |
| DNF | Derek Warwick | Brabham | 12 | 41 | — | Electrical |
| NC | Patrick Tambay | Lola | 14 | 62 | — | NC |
| DNF | Andrea de Cesaris | Minardi | 16 | 43 | — | Spun off |
| DNF | Alan Jones | Lola | 17 | 10 | — | Brakes |
| DNF | Alessandro Nannini | Minardi | 18 | 60 | — | Gearbox |
| DNF | Martin Brundle | Tyrrell | 19 | 18 | — | Engine |
| DNF | Philippe Streiff | Tyrrell | 23 | 28 | — | Engine |
| DNF | Piercarlo Ghinzani | Osella | 24 | 8 | — | Engine |
| DNF | Ivan Capelli | AGS | 25 | 6 | — | Transmission |
| DNF | Huub Rothengatter | Zakspeed | 26 | 9 | — | Transmission |