| «1990-03» | San Marino Grand Prix - X Gran Premio di San Marino |
| 1990-05-13 | Imola - Autodromo Internazionale Enzo e Dino Ferrari - 61 laps × 5.04 km : 307.44 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 27 | Ayrton Senna | McLaren • Honda | 01:24.079 | 01:23.220 | 01:23.220 | 218.025 km/h | |
| 2 | 2 | 28 | Gerhard Berger | McLaren • Honda | 01:24.027 | 01:23.781 | 01:23.781 | +00.561 (+0.674%) | +00.561 |
| 3 | 3 | 6 | Riccardo Patrese | Williams • Renault | 01:24.486 | 01:24.444 | 01:24.444 | +01.224 (+1.471%) | +00.663 |
| 4 | 4 | 5 | Thierry Boutsen | Williams • Renault | 01:25.832 | 01:25.039 | 01:25.039 | +01.819 (+2.186%) | +00.595 |
| 5 | 5 | 2 | Nigel Mansell | Ferrari | 01:25.539 | 01:25.095 | 01:25.095 | +01.875 (+2.253%) | +00.056 |
| 6 | 6 | 1 | Alain Prost | Ferrari | 01:26.080 | 01:25.179 | 01:25.179 | +01.959 (+2.354%) | +00.084 |
| 7 | 7 | 4 | Jean Alesi | Tyrrell • Ford Cosworth | 01:26.138 | 01:25.230 | 01:25.230 | +02.010 (+2.415%) | +00.051 |
| 8 | 8 | 20 | Nelson Piquet | Benetton • Ford Cosworth | 01:26.316 | 01:25.761 | 01:25.761 | +02.541 (+3.053%) | +00.531 |
| 9 | 9 | 19 | Alessandro Nannini | Benetton • Ford Cosworth | 01:26.889 | 01:26.042 | 01:26.042 | +02.822 (+3.391%) | +00.281 |
| 10 | 23 | Pierluigi Martini | Minardi • Ford Cosworth | 01:26.466 | |||||
| 11 | 10 | 11 | Derek Warwick | Lotus • Lamborghini | 01:28.055 | 01:26.682 | 01:26.682 | +03.462 (+4.160%) | +00.640 |
| 12 | 11 | 12 | Martin Donnelly | Lotus • Lamborghini | 01:27.151 | 01:26.714 | 01:26.714 | +03.494 (+4.199%) | +00.032 |
| 13 | 12 | 15 | Mauricio Gugelmin | Leyton House • Judd | 01:29.339 | 01:26.836 | 01:26.836 | +03.616 (+4.345%) | +00.122 |
| 14 | 13 | 29 | Eric Bernard | Lola • Lamborghini | 01:26.988 | 01:26.838 | 01:26.838 | +03.618 (+4.348%) | +00.002 |
| 15 | 14 | 8 | Stefano Modena | Brabham • Judd | 01:28.763 | 01:27.008 | 01:27.008 | +03.788 (+4.552%) | +00.170 |
| 16 | 15 | 30 | Aguri Suzuki | Lola • Lamborghini | 01:27.211 | 01:27.068 | 01:27.068 | +03.848 (+4.624%) | +00.060 |
| 17 | 16 | 26 | Philippe Alliot | Ligier • Ford Cosworth | 01:27.533 | 01:27.214 | 01:27.214 | +03.994 (+4.799%) | +00.146 |
| 18 | 17 | 22 | Andrea de Cesaris | Dallara • Ford Cosworth | 01:27.570 | 01:27.217 | 01:27.217 | +03.997 (+4.803%) | +00.003 |
| 19 | 18 | 16 | Ivan Capelli | Leyton House • Judd | 01:29.904 | 01:27.521 | 01:27.521 | +04.301 (+5.168%) | +00.304 |
| 20 | 19 | 3 | Satoru Nakajima | Tyrrell • Ford Cosworth | 01:27.746 | 01:27.532 | 01:27.532 | +04.312 (+5.181%) | +00.011 |
| 21 | 20 | 25 | Nicola Larini | Ligier • Ford Cosworth | 01:27.642 | 01:27.564 | 01:27.564 | +04.344 (+5.220%) | +00.032 |
| 22 | 21 | 21 | Emanuele Pirro | Dallara • Ford Cosworth | 01:27.849 | 01:27.613 | 01:27.613 | +04.393 (+5.279%) | +00.049 |
| 23 | 22 | 14 | Olivier Grouillard | Osella • Ford Cosworth | 01:28.590 | 01:28.009 | 01:28.009 | +04.789 (+5.755%) | +00.396 |
| 24 | 23 | 35 | Gregor Foitek | Onyx • Ford Cosworth | 01:28.111 | 01:28.435 | 01:28.111 | +04.891 (+5.877%) | +00.102 |
| 25 | 24 | 33 | Roberto Moreno | Eurobrun • Judd | 01:28.603 | 01:31.653 | 01:28.603 | +05.383 (+6.468%) | +00.492 |
| 26 | 25 | 36 | JJ Lehto | Onyx • Ford Cosworth | 01:28.625 | 01:28.625 | +05.405 (+6.495%) | +00.022 | |
| 27 | 26 | 24 | Paolo Barilla | Minardi • Ford Cosworth | 01:29.566 | 01:28.667 | 01:28.667 | +05.447 (+6.545%) | +00.042 |
| 28 | 10 | Alex Caffi | Arrows • Ford Cosworth | 01:29.242 | 01:28.699 | 01:28.699 | +05.479 (+6.584%) | +00.032 | |
| 29 | 9 | Michele Alboreto | Arrows • Ford Cosworth | 01:29.615 | 01:28.797 | 01:28.797 | +05.577 (+6.702%) | +00.098 | |
| 30 | 7 | David Brabham | Brabham • Judd | 01:31.282 | 01:28.927 | 01:28.927 | +05.707 (+6.858%) | +00.130 | |
| 31 | 31 | Bertrand Gachot | Coloni • Subaru | 01:33.554 | 01:33.554 | +10.334 (+12.418%) | +04.627 | ||
| 32 | 34 | Claudio Langes | Eurobrun • Judd | 01:34.272 | 01:34.272 | +11.052 (+13.280%) | +00.718 | ||
| 33 | 39 | Bruno Giacomelli | Life | 07:16.212 | 07:16.212 | +05:52.992 (+424.167%) | +05:41.940 | ||
| 34 | 17 | Gabriele Tarquini | AGS • Ford Cosworth |