1984 Detroit Grand Prix
| Pos | No | Driver | Constructor | Laps | Time / Gap | Pts | Grid | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Nelson Piquet | Brabham | 63 | 1:55:41.842 | 9 | 1 | Pole |
| 2 | 11 | Elio de Angelis | Lotus | 63 | 1:56:14.480 | 6 | 5 | |
| 3 | 2 | Teo Fabi | Brabham | 63 | 1:57:08.370 | 4 | 21 | |
| 4 | 7 | Alain Prost | McLaren | 63 | 1:57:37.100 | 3 | 2 | |
| 5 | 5 | Jacques Laffite | Williams | 62 | +1 lap | 2 | 17 | |
| DNF | 27 | Michele Alboreto | Ferrari | 49 | Engine | — | 4 | |
| DNF | 6 | Keke Rosberg | Williams | 47 | Turbo | — | 19 | |
| DNF | 16 | Derek Warwick | Renault | 40 | Gearbox | — | 6 | FL |
| DNF | 15 | Patrick Tambay | Renault | 33 | Transmission | — | 9 | |
| DNF | 9 | Philippe Alliot | RAM | 33 | Brakes | — | 18 | |
| DNF | 8 | Niki Lauda | McLaren | 33 | Electrical | — | 10 | |
| DNF | 12 | Nigel Mansell | Lotus | 27 | Gearbox | — | 3 | |
| DNF | 18 | Thierry Boutsen | Arrows | 27 | Engine | — | 12 | |
| DNF | 26 | Andrea de Cesaris | Ligier | 24 | Overheating | — | 11 | |
| DNF | 20 | Johnny Cecotto | Toleman | 23 | Clutch | — | 15 | |
| DNF | 23 | Eddie Cheever | Alfa Romeo | 21 | Engine | — | 8 | |
| DNF | 19 | Ayrton Senna | Toleman | 21 | Accident | — | 7 | |
| DNF | 22 | Riccardo Patrese | Alfa Romeo | 20 | Spun off | — | 23 | |
| DNF | 25 | François Hesnault | Ligier | 3 | Accident | — | 16 | |
| DNF | 24 | Piercarlo Ghinzani | Osella | 3 | Accident | — | 24 | |
| DNF | 28 | René Arnoux | Ferrari | 2 | Accident | — | 14 | |
| DNF | 10 | Jonathan Palmer | RAM | 2 | Tyre | — | 22 | |
| DNF | 14 | Manfred Winkelhock | ATS | 0 | Engine | — | 13 | |
| DNF | 17 | Marc Surer | Arrows | 0 | Accident | — | 20 | |
| DNQ | 21 | Huub Rothengatter | Spirit | — | — | — | — | |
| DSQ | 3 | Martin Brundle | Tyrrell | — | Technical infringements | — | — | |
| DSQ | 4 | Stefan Bellof | Tyrrell | — | Technical infringements | — | — |
| Pos | Driver | Constructor | Q1 | Q2 | Q3 | Time |
|---|---|---|---|---|---|---|
| 1 | Nelson Piquet | Brabham | — | — | — | 1:40.980 |
| 2 | Alain Prost | McLaren | — | — | — | 1:41.640 |
| 3 | Nigel Mansell | Lotus | — | — | — | 1:42.172 |
| 4 | Michele Alboreto | Ferrari | — | — | — | 1:42.246 |
| 5 | Elio de Angelis | Lotus | — | — | — | 1:42.434 |
| 6 | Derek Warwick | Renault | — | — | — | 1:42.637 |
| 7 | Ayrton Senna | Toleman | — | — | — | 1:42.651 |
| 8 | Eddie Cheever | Alfa Romeo | — | — | — | 1:43.065 |
| 9 | Patrick Tambay | Renault | — | — | — | 1:43.289 |
| 10 | Niki Lauda | McLaren | — | — | — | 1:43.484 |
| 11 | Andrea de Cesaris | Ligier | — | — | — | 1:43.998 |
| 12 | Thierry Boutsen | Arrows | — | — | — | 1:44.063 |
| 13 | Manfred Winkelhock | ATS | — | — | — | 1:44.228 |
| 14 | René Arnoux | Ferrari | — | — | — | 1:44.748 |
| 15 | Johnny Cecotto | Toleman | — | — | — | 1:45.231 |
| 16 | François Hesnault | Ligier | — | — | — | 1:45.419 |
| 17 | Jacques Laffite | Williams | — | — | — | 1:46.225 |
| 18 | Philippe Alliot | RAM | — | — | — | 1:46.333 |
| 19 | Keke Rosberg | Williams | — | — | — | 1:46.495 |
| 20 | Marc Surer | Arrows | — | — | — | 1:46.626 |
| 21 | Teo Fabi | Brabham | — | — | — | 1:47.335 |
| 22 | Jonathan Palmer | RAM | — | — | — | 1:47.743 |
| 23 | Riccardo Patrese | Alfa Romeo | — | — | — | 1:47.974 |
| 24 | Piercarlo Ghinzani | Osella | — | — | — | 1:48.865 |
| 25 | Huub Rothengatter | Spirit | — | — | — | 1:49.955 |
| Grid | Driver | Constructor | Quali | Penalty |
|---|---|---|---|---|
| 1 | Nelson Piquet | Brabham | 1 | — |
| 2 | Alain Prost | McLaren | 2 | — |
| 3 | Nigel Mansell | Lotus | 3 | — |
| 4 | Michele Alboreto | Ferrari | 4 | — |
| 5 | Elio de Angelis | Lotus | 5 | — |
| 6 | Derek Warwick | Renault | 6 | — |
| 7 | Ayrton Senna | Toleman | 7 | — |
| 8 | Eddie Cheever | Alfa Romeo | 8 | — |
| 9 | Patrick Tambay | Renault | 9 | — |
| 10 | Niki Lauda | McLaren | 10 | — |
| 11 | Andrea de Cesaris | Ligier | 11 | — |
| 12 | Thierry Boutsen | Arrows | 12 | — |
| 13 | Manfred Winkelhock | ATS | 13 | — |
| 14 | René Arnoux | Ferrari | 14 | — |
| 15 | Johnny Cecotto | Toleman | 15 | — |
| 16 | François Hesnault | Ligier | 16 | — |
| 17 | Jacques Laffite | Williams | 17 | — |
| 18 | Philippe Alliot | RAM | 18 | — |
| 19 | Keke Rosberg | Williams | 19 | — |
| 20 | Marc Surer | Arrows | 20 | — |
| 21 | Teo Fabi | Brabham | 21 | — |
| 22 | Jonathan Palmer | RAM | 22 | — |
| 23 | Riccardo Patrese | Alfa Romeo | 23 | — |
| 24 | Piercarlo Ghinzani | Osella | 24 | — |
| # | Driver | Constructor | Lap | Time | Gap |
|---|---|---|---|---|---|
| 1 | Derek Warwick | Renault | 32 | 1:46.221 | — |
| 2 | Patrick Tambay | Renault | 29 | 1:46.739 | +0.518 |
| 3 | Nigel Mansell | Lotus | 13 | 1:46.921 | +0.700 |
| 4 | Nelson Piquet | Brabham | 30 | 1:47.050 | +0.829 |
| 5 | Alain Prost | McLaren | 20 | 1:47.074 | +0.853 |
| 6 | Niki Lauda | McLaren | 27 | 1:47.192 | +0.971 |
| 7 | Keke Rosberg | Williams | 26 | 1:47.415 | +1.194 |
| 8 | Ayrton Senna | Toleman | 20 | 1:47.444 | +1.223 |
| 9 | Thierry Boutsen | Arrows | 24 | 1:47.561 | +1.340 |
| 10 | Michele Alboreto | Ferrari | 31 | 1:47.563 | +1.342 |
Drivers after race
| Pos | Driver | Pts |
|---|---|---|
| 1 | Alain Prost | 35.5 |
| 2 | Niki Lauda | 24 |
| 3 | Elio de Angelis | 22 |
| 4 | Nelson Piquet | 18 |
| 5 | René Arnoux | 17 |
| 6 | Derek Warwick | 13 |
| 7 | Keke Rosberg | 11.5 |
| 8 | Michele Alboreto | 9.5 |
| 9 | Patrick Tambay | 8 |
| 10 | Ayrton Senna | 5 |
| 11 | Nigel Mansell | 5 |
| 12 | Teo Fabi | 4 |
| 13 | Eddie Cheever | 3 |
| 13 | Riccardo Patrese | 3 |
| 15 | Andrea de Cesaris | 3 |
| 15 | Thierry Boutsen | 3 |
| 17 | Jacques Laffite | 2 |
