1985 DETROIT GRAND PRIX IV - FASTEST LAPS
23 Jun 1985
Detroit Street Circuit, United States
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 12 | Ayrton SennaSEN | Lotus Renault | 51 | 1:45.612 |
| 2 | 6 | Keke RosbergROS | Williams Honda | 58 | 1:47.311 |
| 3 | 27 | Michele AlboretoALB | Ferrari | 43 | 1:47.518 |
| 4 | 11 | Elio de AngelisDEA | Lotus Renault | 43 | 1:47.572 |
| 5 | 28 | Stefan JohanssonJOH | Ferrari | 56 | 1:47.797 |
| 6 | 23 | Eddie CheeverCHE | Alfa Romeo | 33 | 1:47.916 |
| 7 | 7 | Nelson PiquetPIQ | Brabham BMW | 40 | 1:48.045 |
| 8 | 5 | Nigel MansellMAN | Williams Honda | 6 | 1:48.241 |
| 9 | 18 | Thierry BoutsenBOU | Arrows BMW | 6 | 1:48.554 |
| 10 | 4 | Stefan BellofBEL | Tyrrell Renault | 12 | 1:48.681 |
| 11 | 26 | Jacques LaffiteLAF | Ligier Renault | 6 | 1:48.702 |
| 12 | 2 | Alain ProstPRO | McLaren TAG | 8 | 1:49.001 |
| 13 | 3 | Martin BrundleBRU | Tyrrell Renault | 15 | 1:49.073 |
| 14 | 16 | Derek WarwickWAR | Renault | 4 | 1:49.485 |
| 15 | 1 | Niki LaudaLAU | McLaren TAG | 6 | 1:49.489 |
| 16 | 25 | Andrea de CesarisDEC | Ligier Renault | 57 | 1:49.603 |
| 17 | 15 | Patrick TambayTAM | Renault | 6 | 1:49.931 |
| 18 | 8 | Marc SurerSUR | Brabham BMW | 5 | 1:49.998 |
| 19 | 17 | Gerhard BergerBER | Arrows BMW | 21 | 1:50.576 |
| 20 | 22 | Riccardo PatresePAT | Alfa Romeo | 6 | 1:50.729 |
| 21 | 19 | Teo FabiFAB | Toleman Hart | 3 | 1:51.211 |
| 22 | 10 | Philippe AlliotALL | RAM Hart | 6 | 1:53.752 |
| 23 | 29 | Pierluigi MartiniMAR | Minardi Ford | 7 | 1:55.446 |
| 24 | 9 | Manfred WinkelhockWIN | RAM Hart | 2 | 1:55.649 |