5. GRAN PREMIO DI SAN MARINO - FASTEST LAPS
05 May 1985
Autodromo Internazionale Enzo e Dino Ferrari, San Marino
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 27 | Michele AlboretoALB | Ferrari | 29 | 1:30.961 |
| 2 | 28 | Stefan JohanssonJOH | Ferrari | 56 | 1:31.017 |
| 3 | 11 | Elio de AngelisDEA | Lotus Renault | 55 | 1:31.411 |
| 4 | 7 | Nelson PiquetPIQ | Brabham BMW | 50 | 1:31.424 |
| 5 | 12 | Ayrton SennaSEN | Lotus Renault | 37 | 1:31.549 |
| 6 | 1 | Niki LaudaLAU | McLaren TAG | 25 | 1:32.198 |
| 7 | 18 | Thierry BoutsenBOU | Arrows BMW | 47 | 1:33.448 |
| 8 | 15 | Patrick TambayTAM | Renault | 55 | 1:33.514 |
| 9 | 16 | Derek WarwickWAR | Renault | 45 | 1:33.702 |
| 10 | 5 | Nigel MansellMAN | Williams Honda | 33 | 1:33.891 |
| 11 | 6 | Keke RosbergROS | Williams Honda | 20 | 1:34.084 |
| 12 | 23 | Eddie CheeverCHE | Alfa Romeo | 34 | 1:34.128 |
| 13 | 10 | Philippe AlliotALL | RAM Hart | 20 | 1:35.013 |
| 14 | 26 | Jacques LaffiteLAF | Ligier Renault | 20 | 1:35.245 |
| 15 | 25 | Andrea de CesarisDEC | Ligier Renault | 8 | 1:35.856 |
| 16 | 17 | Gerhard BergerBER | Arrows BMW | 3 | 1:36.239 |
| 17 | 22 | Riccardo PatresePAT | Alfa Romeo | 3 | 1:36.422 |
| 18 | 9 | Manfred WinkelhockWIN | RAM Hart | 8 | 1:36.708 |
| 19 | 24 | Piercarlo GhinzaniGHI | Osella Alfa Romeo | 26 | 1:36.858 |
| 20 | 3 | Martin BrundleBRU | Tyrrell Renault | 51 | 1:37.887 |
| 21 | 29 | Pierluigi MartiniMAR | Minardi Ford | 14 | 1:38.203 |
| 22 | 4 | Stefan BellofBEL | Tyrrell Renault | 3 | 1:38.437 |
| 23 | 8 | Francois HesnaultHES | Brabham BMW | 3 | 1:38.906 |
| 24 | 21 | Mauro BaldiBAL | Spirit Hart | 4 | 1:39.686 |