Detroit Street Circuit · 23 June 1985
Keke Rosberg won the 1985 Detroit Grand Prix for Williams from 5th on the grid, 57.549s ahead of Stefan Johansson. Stefan Bellof gained the most places, from 19th on the grid to 4th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Ferrari Johansson 6 + Alboreto 4 | Johansson 6 + Alboreto 4 | 10 | |
| 2 | Williams Rosberg 9 + Mansell 0 | Rosberg 9 + Mansell 0 | 9 | |
| 3 | Tyrrell Bellof 3 + Brundle 0 | Bellof 3 + Brundle 0 | 3 | |
| 4 | Team Lotus de Angelis 2 + Senna 0 | de Angelis 2 + Senna 0 | 2 | |
| 5 | Brabham Piquet 1 + Surer 0 | Piquet 1 + Surer 0 | 1 | |
| 6 | Arrows Boutsen 0 + Berger 0 | Boutsen 0 + Berger 0 | 0 | |
| 7 | Alfa Romeo Cheever 0 + Patrese 0 | Cheever 0 + Patrese 0 | 0 | |
| 8 | Ligier de Cesaris 0 + Laffite 0 | de Cesaris 0 + Laffite 0 | 0 | |
| 9 | RAM Alliot 0 + Winkelhock 0 | Alliot 0 + Winkelhock 0 | 0 | |
| 10 | McLaren Prost 0 + Lauda 0 | Prost 0 + Lauda 0 | 0 | |
| 11 | Renault Warwick 0 + Tambay 0 | Warwick 0 + Tambay 0 | 0 | |
| 12 | Minardi Martini 0 | Martini 0 | 0 | |
| 13 | Toleman Fabi 0 | Fabi 0 | 0 | |
| 14 | Osella Ghinzani 0 | Ghinzani 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Keke Rosberg Williams | Williams | 1:55:39.851 | 63 | — | 9 | |
| 2 | Stefan Johansson Ferrari | Ferrari | +57.549s | 63 | — | 6 | |
| 3 | Michele Alboreto Ferrari | Ferrari | +1:03.170 | 63 | — | 4 | |
| 4 | Stefan Bellof Tyrrell | Tyrrell | +1:06.225 | 63 | — | 3 | |
| 5 | Elio de Angelis Team Lotus | Team Lotus | +1:26.966 | 63 | — | 2 | |
| 6 | Nelson Piquet Brabham | Brabham | +1 Lap | 62 | — | 1 | |
| 7 | Thierry Boutsen Arrows | Arrows | +1 Lap | 62 | — | — | |
| 8 | Marc Surer Brabham | Brabham | +1 Lap | 62 | — | — | |
| 9 | Eddie Cheever Alfa Romeo | Alfa Romeo | +2 Laps | 61 | — | — | |
| 10 | Andrea de Cesaris Ligier | Ligier | +2 Laps | 61 | — | — | |
| 11 | Gerhard Berger Arrows | Arrows | +3 Laps | 60 | — | — | |
| 12 | Jacques Laffite Ligier | Ligier | +5 Laps | 58 | — | — | |
| DNF | Ayrton Senna Team Lotus | Team Lotus | DNF Accident | 51 | — | — | |
| DNF | Martin Brundle Tyrrell | Tyrrell | DNF Accident | 30 | — | — | |
| DNF | Philippe Alliot RAM | RAM | DNF Accident | 27 | — | — | |
| DNF | Nigel Mansell Williams | Williams | DNF Accident | 26 | — | — | |
| DNF | Alain Prost McLaren | McLaren | DNF Brakes | 19 | — | — | |
| DNF | Riccardo Patrese Alfa Romeo | Alfa Romeo | DNF Electrical | 19 | — | — | |
| DNF | Derek Warwick Renault | Renault | DNF Transmission | 18 | — | — | |
| DNF | Patrick Tambay Renault | Renault | DNF Accident | 15 | — | — | |
| DNF | Pierluigi Martini Minardi | Minardi | DNF Engine | 11 | — | — | |
| DNF | Niki Lauda McLaren | McLaren | DNF Brakes | 10 | — | — | |
| DNF | Teo Fabi Toleman | Toleman | DNF Clutch | 4 | — | — | |
| DNF | Manfred Winkelhock RAM | RAM | DNF Turbo | 3 | — | — | |
| DNF | Piercarlo Ghinzani Osella | Osella | DNF Accident | 0 | — | — |