| «1986-03» | San Marino Grand Prix - VI Gran Premio di San Marino |
| 1986-04-27 | 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 | 01:25.050 | 01:25.286 | 01:25.050 | 213.333 km/h | |
| 2 | 2 | 6 | Nelson Piquet | Williams • Honda | 01:25.890 | 01:25.569 | 01:25.569 | +00.519 (+0.610%) | +00.519 |
| 3 | 3 | 5 | Nigel Mansell | Williams • Honda | 01:26.752 | 01:26.159 | 01:26.159 | +01.109 (+1.304%) | +00.590 |
| 4 | 4 | 1 | Alain Prost | McLaren • TAG Porsche | 01:26.273 | 01:26.176 | 01:26.176 | +01.126 (+1.324%) | +00.017 |
| 5 | 5 | 27 | Michele Alboreto | Ferrari | 01:26.428 | 01:26.263 | 01:26.263 | +01.213 (+1.426%) | +00.087 |
| 6 | 6 | 2 | Keke Rosberg | McLaren • TAG Porsche | 01:26.956 | 01:26.385 | 01:26.385 | +01.335 (+1.570%) | +00.122 |
| 7 | 7 | 28 | Stefan Johansson | Ferrari | 01:27.497 | 01:27.009 | 01:27.009 | +01.959 (+2.303%) | +00.624 |
| 8 | 8 | 25 | René Arnoux | Ligier • Renault | 01:28.362 | 01:27.403 | 01:27.403 | +02.353 (+2.767%) | +00.394 |
| 9 | 9 | 20 | Gerhard Berger | Benetton • BMW | 01:28.559 | 01:27.444 | 01:27.444 | +02.394 (+2.815%) | +00.041 |
| 10 | 10 | 19 | Teo Fabi | Benetton • BMW | 01:29.328 | 01:27.538 | 01:27.538 | +02.488 (+2.925%) | +00.094 |
| 11 | 11 | 16 | Patrick Tambay | Lola • Hart | 01:29.665 | 01:27.860 | 01:27.860 | +02.810 (+3.304%) | +00.322 |
| 12 | 12 | 18 | Thierry Boutsen | Arrows • BMW | 01:29.931 | 01:28.022 | 01:28.022 | +02.972 (+3.494%) | +00.162 |
| 13 | 13 | 3 | Martin Brundle | Tyrrell • Renault | 01:29.687 | 01:28.329 | 01:28.329 | +03.279 (+3.855%) | +00.307 |
| 14 | 14 | 26 | Jacques Laffite | Ligier • Renault | 01:28.411 | 01:28.389 | 01:28.389 | +03.339 (+3.926%) | +00.060 |
| 15 | 15 | 17 | Marc Surer | Arrows • BMW | 01:30.156 | 01:28.637 | 01:28.637 | +03.587 (+4.218%) | +00.248 |
| 16 | 16 | 7 | Riccardo Patrese | Brabham • BMW | 01:30.341 | 01:28.828 | 01:28.828 | +03.778 (+4.442%) | +00.191 |
| 17 | 17 | 11 | Johnny Dumfries | Lotus • Renault | 01:29.244 | 01:29.607 | 01:29.244 | +04.194 (+4.931%) | +00.416 |
| 18 | 18 | 24 | Alessandro Nannini | Minardi • Motori Moderni | 01:29.985 | 01:29.244 | 01:29.244 | +04.194 (+4.931%) | +00.000 |
| 19 | 19 | 8 | Elio de Angelis | Brabham • BMW | 01:30.881 | 01:29.713 | 01:29.713 | +04.663 (+5.483%) | +00.469 |
| 20 | 20 | 14 | Jonathan Palmer | Zakspeed | 01:33.352 | 01:30.024 | 01:30.024 | +04.974 (+5.848%) | +00.311 |
| 21 | 21 | 15 | Alan Jones | Lola • Ford Cosworth | 01:30.087 | 01:30.517 | 01:30.087 | +05.037 (+5.922%) | +00.063 |
| 22 | 22 | 4 | Philippe Streiff | Tyrrell • Renault | 01:30.123 | 01:32.358 | 01:30.123 | +05.073 (+5.965%) | +00.036 |
| 23 | 23 | 23 | Andrea de Cesaris | Minardi • Motori Moderni | 01:30.956 | 01:30.131 | 01:30.131 | +05.081 (+5.974%) | +00.008 |
| 24 | 24 | 29 | Huub Rothengatter | Zakspeed | 01:40.903 | 01:31.953 | 01:31.953 | +06.903 (+8.116%) | +01.822 |
| 25 | 25 | 22 | Christian Danner | Osella • Alfa Romeo | 01:37.485 | 01:33.806 | 01:33.806 | +08.756 (+10.295%) | +01.853 |
| 26 | 26 | 21 | Piercarlo Ghinzani | Osella • Alfa Romeo | 01:34.461 | 01:34.461 | +09.411 (+11.065%) | +00.655 |