1985 Detroit Grand Prix
| Pos | No | Driver | Constructor | Laps | Time / Gap | Pts | Grid | |
|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Keke Rosberg | Williams | 63 | 1:55:39.851 | 9 | 5 | |
| 2 | 28 | Stefan Johansson | Ferrari | 63 | 1:56:37.400 | 6 | 9 | |
| 3 | 27 | Michele Alboreto | Ferrari | 63 | 1:56:43.021 | 4 | 3 | |
| 4 | 4 | Stefan Bellof | Tyrrell | 63 | 1:56:46.076 | 3 | 19 | |
| 5 | 11 | Elio de Angelis | Lotus | 63 | 1:57:06.817 | 2 | 8 | |
| 6 | 7 | Nelson Piquet | Brabham | 62 | +1 lap | 1 | 10 | |
| 7 | 18 | Thierry Boutsen | Arrows | 62 | +1 lap | — | 21 | |
| 8 | 8 | Marc Surer | Brabham | 62 | +1 lap | — | 11 | |
| 9 | 23 | Eddie Cheever | Alfa Romeo | 61 | +2 laps | — | 7 | |
| 10 | 25 | Andrea de Cesaris | Ligier | 61 | +2 laps | — | 17 | |
| 11 | 17 | Gerhard Berger | Arrows | 60 | +3 laps | — | 24 | |
| 12 | 26 | Jacques Laffite | Ligier | 58 | +5 laps | — | 16 | |
| DNF | 12 | Ayrton Senna | Lotus | 51 | Accident | — | 1 | Pole FL |
| DNF | 3 | Martin Brundle | Tyrrell | 30 | Collision | — | 18 | |
| DNF | 10 | Philippe Alliot | RAM | 27 | Collision | — | 23 | |
| DNF | 5 | Nigel Mansell | Williams | 26 | Accident | — | 2 | |
| DNF | 2 | Alain Prost | McLaren | 19 | Accident | — | 4 | |
| DNF | 22 | Riccardo Patrese | Alfa Romeo | 19 | Electrical | — | 14 | |
| DNF | 16 | Derek Warwick | Renault | 18 | Transmission | — | 6 | |
| DNF | 15 | Patrick Tambay | Renault | 15 | Accident | — | 15 | |
| DNF | 29 | Pierluigi Martini | Minardi | 11 | Engine | — | 25 | |
| DNF | 1 | Niki Lauda | McLaren | 10 | Brakes | — | 12 | |
| DNF | 19 | Teo Fabi | Toleman | 4 | Clutch | — | 13 | |
| DNF | 9 | Manfred Winkelhock | RAM | 3 | Turbo | — | 20 | |
| DNS | 24 | Piercarlo Ghinzani | Osella | — | Accident | — | 22 |
| Pos | Driver | Constructor | Q1 | Q2 | Q3 | Time |
|---|---|---|---|---|---|---|
| 1 | Ayrton Senna | Lotus | — | — | — | 1:42.051 |
| 2 | Nigel Mansell | Williams | — | — | — | 1:43.249 |
| 3 | Michele Alboreto | Ferrari | — | — | — | 1:43.748 |
| 4 | Alain Prost | McLaren | — | — | — | 1:44.088 |
| 5 | Keke Rosberg | Williams | — | — | — | 1:44.156 |
| 6 | Derek Warwick | Renault | — | — | — | 1:44.163 |
| 7 | Eddie Cheever | Alfa Romeo | — | — | — | 1:44.231 |
| 8 | Elio de Angelis | Lotus | — | — | — | 1:44.769 |
| 9 | Stefan Johansson | Ferrari | — | — | — | 1:44.921 |
| 10 | Nelson Piquet | Brabham | — | — | — | 1:45.194 |
| 11 | Marc Surer | Brabham | — | — | — | 1:45.979 |
| 12 | Niki Lauda | McLaren | — | — | — | 1:46.266 |
| 13 | Teo Fabi | Toleman | — | — | — | 1:46.546 |
| 14 | Riccardo Patrese | Alfa Romeo | — | — | — | 1:46.592 |
| 15 | Patrick Tambay | Renault | — | — | — | 1:47.028 |
| 16 | Jacques Laffite | Ligier | — | — | — | 1:47.267 |
| 17 | Andrea de Cesaris | Ligier | — | — | — | 1:47.393 |
| 18 | Martin Brundle | Tyrrell | — | — | — | 1:47.563 |
| 19 | Stefan Bellof | Tyrrell | — | — | — | 1:47.911 |
| 20 | Manfred Winkelhock | RAM | — | — | — | 1:47.926 |
| 21 | Thierry Boutsen | Arrows | — | — | — | 1:48.023 |
| 22 | Piercarlo Ghinzani | Osella | — | — | — | 1:48.546 |
| 23 | Philippe Alliot | RAM | — | — | — | 1:50.455 |
| 24 | Gerhard Berger | Arrows | — | — | — | 2:05.307 |
| 25 | Pierluigi Martini | Minardi | — | — | — | 3:04.446 |
| Grid | Driver | Constructor | Quali | Penalty |
|---|---|---|---|---|
| 1 | Ayrton Senna | Lotus | 1 | — |
| 2 | Nigel Mansell | Williams | 2 | — |
| 3 | Michele Alboreto | Ferrari | 3 | — |
| 4 | Alain Prost | McLaren | 4 | — |
| 5 | Keke Rosberg | Williams | 5 | — |
| 6 | Derek Warwick | Renault | 6 | — |
| 7 | Eddie Cheever | Alfa Romeo | 7 | — |
| 8 | Elio de Angelis | Lotus | 8 | — |
| 9 | Stefan Johansson | Ferrari | 9 | — |
| 10 | Nelson Piquet | Brabham | 10 | — |
| 11 | Marc Surer | Brabham | 11 | — |
| 12 | Niki Lauda | McLaren | 12 | — |
| 13 | Teo Fabi | Toleman | 13 | — |
| 14 | Riccardo Patrese | Alfa Romeo | 14 | — |
| 15 | Patrick Tambay | Renault | 15 | — |
| 16 | Jacques Laffite | Ligier | 16 | — |
| 17 | Andrea de Cesaris | Ligier | 17 | — |
| 18 | Martin Brundle | Tyrrell | 18 | — |
| 19 | Stefan Bellof | Tyrrell | 19 | — |
| 20 | Manfred Winkelhock | RAM | 20 | — |
| 21 | Thierry Boutsen | Arrows | 21 | — |
| 22 | Piercarlo Ghinzani | Osella | 22 | — |
| 23 | Philippe Alliot | RAM | 23 | — |
| 24 | Gerhard Berger | Arrows | 24 | — |
| 25 | Pierluigi Martini | Minardi | 25 | — |
| # | Driver | Constructor | Lap | Time | Gap |
|---|---|---|---|---|---|
| 1 | Ayrton Senna | Lotus | 51 | 1:45.612 | — |
| 2 | Keke Rosberg | Williams | 58 | 1:47.311 | +1.699 |
| 3 | Michele Alboreto | Ferrari | 43 | 1:47.518 | +1.906 |
| 4 | Elio de Angelis | Lotus | 43 | 1:47.572 | +1.960 |
| 5 | Stefan Johansson | Ferrari | 56 | 1:47.797 | +2.185 |
| 6 | Eddie Cheever | Alfa Romeo | 33 | 1:47.916 | +2.304 |
| 7 | Nelson Piquet | Brabham | 40 | 1:48.045 | +2.433 |
| 8 | Nigel Mansell | Williams | 6 | 1:48.241 | +2.629 |
| 9 | Thierry Boutsen | Arrows | 6 | 1:48.554 | +2.942 |
| 10 | Stefan Bellof | Tyrrell | 12 | 1:48.681 | +3.069 |
Drivers after race
| Pos | Driver | Pts |
|---|---|---|
| 1 | Michele Alboreto | 31 |
| 2 | Elio de Angelis | 24 |
| 3 | Alain Prost | 22 |
| 4 | Stefan Johansson | 13 |
| 5 | Keke Rosberg | 12 |
| 6 | Patrick Tambay | 10 |
| 7 | Ayrton Senna | 9 |
| 8 | Thierry Boutsen | 6 |
| 9 | Nigel Mansell | 5 |
| 10 | Stefan Bellof | 4 |
| 11 | René Arnoux | 3 |
| 11 | Niki Lauda | 3 |
| 11 | Andrea de Cesaris | 3 |
| 14 | Derek Warwick | 2 |
| 15 | Jacques Laffite | 2 |
| 16 | Nelson Piquet | 1 |