Detroit Grand Prix
Round 6 · 23 June 1985 ·Detroit Street Circuit, Detroit, United States
Johansson
Ferrari
2
Rosberg
Williams
1
Alboreto
Ferrari
3
Race classification
| Pos. | Driver | Nationality | Team | Laps | Time | Pts. |
|---|---|---|---|---|---|---|
| 1 | Keke Rosberg |  Finnish | Williams | 63 | 1:55:39.851 | 9 |
| 2 | Stefan Johansson |  Swedish | Ferrari | 63 | +57.549 | 6 |
| 3 | Michele Alboreto |  Italian | Ferrari | 63 | +1:03.170 | 4 |
| 4 | Stefan Bellof |  German | Tyrrell | 63 | +1:06.225 | 3 |
| 5 | Elio de Angelis | Italian | Team Lotus | 63 | +1:26.966 | 2 |
| 6 | Nelson Piquet |  Brazilian | Brabham | 62 | +1 Lap | 1 |
| 7 | Thierry Boutsen |  Belgian | Arrows | 62 | +1 Lap | 0 |
| 8 | Marc Surer |  Swiss | Brabham | 62 | +1 Lap | 0 |
| 9 | Eddie Cheever |  American | Alfa Romeo | 61 | +2 Laps | 0 |
| 10 | Andrea de Cesaris | Italian | Ligier | 61 | +2 Laps | 0 |
| 11 | Gerhard Berger |  Austrian | Arrows | 60 | +3 Laps | 0 |
| 12 | Jacques Laffite |  French | Ligier | 58 | +5 Laps | 0 |
| R | Ayrton Senna | Brazilian | Team Lotus | 51 | Accident | 0 |
| R | Martin Brundle |  British | Tyrrell | 30 | Accident | 0 |
| R | Philippe Alliot | French | RAM | 27 | Accident | 0 |
| R | Nigel Mansell | British | Williams | 26 | Accident | 0 |
| R | Alain Prost | French | McLaren | 19 | Brakes | 0 |
| R | Riccardo Patrese | Italian | Alfa Romeo | 19 | Electrical | 0 |
| R | Derek Warwick | British | Renault | 18 | Transmission | 0 |
| R | Patrick Tambay | French | Renault | 15 | Accident | 0 |
| R | Pierluigi Martini | Italian | Minardi | 11 | Engine | 0 |
| R | Niki Lauda | Austrian | McLaren | 10 | Brakes | 0 |
| R | Teo Fabi | Italian | Toleman | 4 | Clutch | 0 |
| R | Manfred Winkelhock | German | RAM | 3 | Turbo | 0 |
| R | Piercarlo Ghinzani | Italian | Osella | 0 | Accident | 0 |
- R
- Retired