| «1985-03» | San Marino Grand Prix - V Gran Premio di San Marino |
| 1985-05-05 | Imola - Autodromo Internazionale Enzo e Dino Ferrari - 60 laps × 5.04 km : 302.4 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 12 | Ayrton Senna | Lotus • Renault | 01:27.589 | 01:27.327 | 01:27.327 | 207.771 km/h | |
| 2 | 2 | 6 | Keke Rosberg | Williams • Honda | 01:28.347 | 01:27.354 | 01:27.354 | +00.027 (+0.031%) | +00.027 |
| 3 | 3 | 11 | Elio de Angelis | Lotus • Renault | 01:30.325 | 01:27.852 | 01:27.852 | +00.525 (+0.601%) | +00.498 |
| 4 | 4 | 27 | Michele Alboreto | Ferrari | 01:27.871 | 01:30.637 | 01:27.871 | +00.544 (+0.623%) | +00.019 |
| 5 | 5 | 18 | Thierry Boutsen | Arrows • BMW | 01:28.829 | 01:27.918 | 01:27.918 | +00.591 (+0.677%) | +00.047 |
| 6 | 6 | 2 | Alain Prost | McLaren • TAG Porsche | 01:28.604 | 01:28.099 | 01:28.099 | +00.772 (+0.884%) | +00.181 |
| 7 | 7 | 5 | Nigel Mansell | Williams • Honda | 01:29.756 | 01:28.202 | 01:28.202 | +00.875 (+1.002%) | +00.103 |
| 8 | 8 | 1 | Niki Lauda | McLaren • TAG Porsche | 01:29.413 | 01:28.399 | 01:28.399 | +01.072 (+1.228%) | +00.197 |
| 9 | 9 | 7 | Nelson Piquet | Brabham • BMW | 01:29.427 | 01:28.489 | 01:28.489 | +01.162 (+1.331%) | +00.090 |
| 10 | 10 | 17 | Gerhard Berger | Arrows • BMW | 01:28.697 | 01:29.654 | 01:28.697 | +01.370 (+1.569%) | +00.208 |
| 11 | 11 | 15 | Patrick Tambay | Renault | 01:30.201 | 01:29.102 | 01:29.102 | +01.775 (+2.033%) | +00.405 |
| 12 | 12 | 23 | Eddie Cheever | Alfa Romeo | 01:30.605 | 01:29.259 | 01:29.259 | +01.932 (+2.212%) | +00.157 |
| 13 | 13 | 25 | Andrea de Cesaris | Ligier • Renault | 01:30.339 | 01:29.406 | 01:29.406 | +02.079 (+2.381%) | +00.147 |
| 14 | 14 | 16 | Derek Warwick | Renault | 01:30.440 | 01:29.466 | 01:29.466 | +02.139 (+2.449%) | +00.060 |
| 15 | 15 | 28 | Stefan Johansson | Ferrari | 01:30.240 | 01:29.806 | 01:29.806 | +02.479 (+2.839%) | +00.340 |
| 16 | 16 | 26 | Jacques Laffite | Ligier • Renault | 01:31.625 | 01:30.982 | 01:30.982 | +03.655 (+4.185%) | +01.176 |
| 17 | 17 | 30 | Jonathan Palmer | Zakspeed | 02:30.990 | 01:31.028 | 01:31.028 | +03.701 (+4.238%) | +00.046 |
| 18 | 18 | 22 | Riccardo Patrese | Alfa Romeo | 01:31.388 | 01:31.108 | 01:31.108 | +03.781 (+4.330%) | +00.080 |
| 19 | 19 | 29 | Pierluigi Martini | Minardi • Motori Moderni | 01:32.770 | 01:48.391 | 01:32.770 | +05.443 (+6.233%) | +01.662 |
| 20 | 20 | 8 | François Hesnault | Brabham • BMW | 01:33.142 | 01:33.160 | 01:33.142 | +05.815 (+6.659%) | +00.372 |
| 21 | 21 | 10 | Philippe Alliot | RAM • Hart | 01:34.201 | 02:05.041 | 01:34.201 | +06.874 (+7.872%) | +01.059 |
| 22 | 22 | 24 | Piercarlo Ghinzani | Osella • Alfa Romeo | 01:34.974 | 01:34.209 | 01:34.209 | +06.882 (+7.881%) | +00.008 |
| 23 | 23 | 9 | Manfred Winkelhock | RAM • Hart | 01:34.936 | 01:34.579 | 01:34.579 | +07.252 (+8.304%) | +00.370 |
| 24 | 24 | 4 | Stefan Bellof | Tyrrell • Ford Cosworth | 01:35.774 | 01:35.653 | 01:35.653 | +08.326 (+9.534%) | +01.074 |
| 25 | 25 | 3 | Martin Brundle | Tyrrell • Ford Cosworth | 01:36.397 | 01:36.661 | 01:36.397 | +09.070 (+10.386%) | +00.744 |
| 26 | 26 | 21 | Mauro Baldi | Spirit • Hart | 01:36.922 | 01:38.235 | 01:36.922 | +09.595 (+10.987%) | +00.525 |