San Marino Grand Prix
Canadian Grand Prix
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| Position | Driver | Constructor | Q1 | Q2 | Gap |
|---|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren-Honda | 1:21.797 | 1:21.314 | |
| 2 | Alain Prost | Ferrari | 1:23.449 | 1:21.776 | 0.462 |
| 3 | Jean Alesi | Tyrrell-Ford | 1:23.372 | 1:21.801 | 0.487 |
| 4 | Riccardo Patrese | Williams-Renault | 1:24.179 | 1:22.026 | 0.712 |
| 5 | Gerhard Berger | McLaren-Honda | 1:23.001 | 1:22.682 | 1.368 |
| 6 | Thierry Boutsen | Williams-Renault | 1:23.936 | 1:22.691 | 1.377 |
| 7 | Nigel Mansell | Ferrari | 1:24.433 | 1:22.733 | 1.419 |
| 8 | Pierluigi Martini | Minardi-Ford | 1:24.012 | 1:23.149 | 1.835 |
| 9 | Emanuele Pirro | Dallara-Ford | 1:24.766 | 1:23.494 | 2.180 |
| 10 | Nelson Piquet | Benetton-Ford | 1:25.273 | 1:23.566 | 2.252 |
| 11 | Martin Donnelly | Lotus-Lamborghini | 1:24.724 | 1:23.600 | 2.286 |
| 12 | Andrea de Cesaris | Dallara-Ford | 1:25.849 | 1:23.613 | 2.299 |
| 13 | Derek Warwick | Lotus-Lamborghini | 1:24.070 | 1:23.656 | 2.342 |
| 14 | Stefano Modena | Brabham-Judd | 1:25.485 | 1:23.920 | 2.606 |
| 15 | Aguri Suzuki | Lola-Lamborghini | 1:27.193 | 1:24.023 | 2.709 |
| 16 | Alessandro Nannini | Benetton-Ford | 1:25.926 | 1:24.139 | 2.825 |
| 17 | Nicola Larini | Ligier-Ford | 1:24.206 | 1:24.270 | 2.892 |
| 18 | Philippe Alliot | Ligier-Ford | 1:25.387 | 1:24.294 | 2.980 |
| 19 | Paolo Barilla | Minardi-Ford | 1:26.352 | 1:24.334 | 3.020 |
| 20 | Gregor Foitek | Onyx-Ford | 1:26.183 | 1:24.367 | 3.053 |
| 21 | Satoru Nakajima | Tyrrell-Ford | 1:25.679 | 1:24.371 | 3.057 |
| 22 | Alex Caffi | Arrows-Ford | 1:26.520 | 1:25.000 | 3.686 |
| 23 | Ivan Capelli | Leyton House-Judd | 1:26.969 | 1:25.020 | 3.706 |
| 24 | Éric Bernard | Lola-Lamborghini | 1:25.398 | 1:25.541 | 4.084 |
| 25 | David Brabham | Brabham-Judd | 1:28.339 | 1:25.420 | 4.106 |
| 26 | JJ Lehto | Onyx-Ford | 1:27.923 | 1:25.508 | 4.194 |
| 27 | Michele Alboreto | Arrows-Ford | 1:27.282 | 1:25.622 | 4.308 |
| 28 | Olivier Grouillard | Osella-Ford | 1:25.785 | 1:26.781 | 4.471 |
| 29 | Mauricio Gugelmin | Leyton House-Judd | 1:26.943 | 1:26.192 | 4.878 |
| 30 | Roberto Moreno | EuroBrun-Judd | 1:26.604 | 1:27.265 | 5.290 |
| 1 | Ayrton Senna | 22 | 9,4,0,9 | |
| 2 | Gerhard Berger | 16 | 0,6,6,4 | |
| ▲ | 3 | Jean Alesi | 13 | 6,0,1,6 |
| ▼ | 4 | Alain Prost | 12 | 0,9,3,0 |
| ▼ | 5 | Riccardo Patrese | 9 | 0,0,9,0 |
| ▲ | Thierry Boutsen | 9 | 4,2,0,3 | |
| ▼ | 7 | Nelson Piquet | 6 | 3,1,2,0 |
| 8 | Alessandro Nannini | 4 | 0,0,4,0 | |
| 9 | Nigel Mansell | 3 | 0,3,0,0 | |
| 10 | Stefano Modena | 2 | 2,0,0,0 | |
| ▲ | Alex Caffi | 2 | 0,0,0,2 | |
| 12 | Éric Bernard | 1 | 0,0,0,1 | |
| ▼ | Satoru Nakajima | 1 | 1,0,0,0 |
| 1 | McLaren-Honda | 38 | 9,10,6,13 | |
| 2 | Williams-Renault | 18 | 4,2,9,3 | |
| ▼ | 3 | Ferrari | 15 | 0,12,3,0 |
| ▲ | 4 | Tyrrell-Ford | 14 | 7,0,1,6 |
| ▼ | 5 | Benetton-Ford | 10 | 3,1,6,0 |
| ▲ | 6 | Arrows-Ford | 2 | 0,0,0,2 |
| Brabham-Judd | 2 | 2,0,0,0 | ||
| ▼ | 8 | Lola-Lamborghini | 1 | 0,0,0,1 |