1984 Detroit Grand Prix
- Round
- 8 of 1984
- Circuit
- Detroit Street Circuit
- Location
- Detroit, Michigan, United States of America
- Dates
- —
- Format
- Standard weekend
- Winner
- Nelson Piquet
- Constructor
- Brabham
- Entrant
- Brabham-BMW
- Pole position
- Nelson Piquet
- Fastest lap
- Derek Warwick
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Nelson Piquet | Brabham | 1 | 63 | 9 | — |
| 2 | Elio de Angelis | Team Lotus | 5 | 63 | 6 | — |
| 3 | Teo Fabi | Brabham | 21 | 63 | 4 | — |
| 4 | Alain Prost | McLaren | 2 | 63 | 3 | — |
| 5 | Jacques Laffite | Williams | 17 | 62 | 2 | — |
| DNQ | Huub Rothengatter | Spirit | — | — | — | DNQ |
| DSQ | Martin Brundle | Tyrrell | — | — | — | Technical infringements |
| DSQ | Stefan Bellof | Tyrrell | — | — | — | Technical infringements |
| DNF | Nigel Mansell | Team Lotus | 3 | 27 | — | Gearbox |
| DNF | Michele Alboreto | Ferrari | 4 | 49 | — | Engine |
| DNF | Derek Warwick | Renault | 6 | 40 | — | Gearbox · fastest lap |
| DNF | Ayrton Senna | Toleman | 7 | 21 | — | Accident |
| DNF | Eddie Cheever | Alfa Romeo | 8 | 21 | — | Engine |
| DNF | Patrick Tambay | Renault | 9 | 33 | — | Transmission |
| DNF | Niki Lauda | McLaren | 10 | 33 | — | Electrical |
| DNF | Andrea de Cesaris | Ligier | 11 | 24 | — | Overheating |
| DNF | Thierry Boutsen | Arrows | 12 | 27 | — | Engine |
| DNF | Manfred Winkelhock | ATS | 13 | 0 | — | Engine |
| DNF | Rene Arnoux | Ferrari | 14 | 2 | — | Accident |
| DNF | Johnny Cecotto | Toleman | 15 | 23 | — | Clutch |
| DNF | François Hesnault | Ligier | 16 | 3 | — | Accident |
| DNF | Philippe Alliot | RAM | 18 | 33 | — | Brakes |
| DNF | Keke Rosberg | Williams | 19 | 47 | — | Turbo |
| DNF | Marc Surer | Arrows | 20 | 0 | — | Accident |
| DNF | Jonathan Palmer | RAM | 22 | 2 | — | Tyre |
| DNF | Riccardo Patrese | Alfa Romeo | 23 | 20 | — | Spun off |
| DNF | Piercarlo Ghinzani | Osella | 24 | 3 | — | Accident |