United States Grand Prix East
British Grand Prix
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| Pos | Driver | Constructor | Q1 | Q2 | Gap |
|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren-Honda | 1:08.171 | 1:07.589 | |
| 2 | Ayrton Senna | McLaren-Honda | 1:08.456 | 1:08.067 | 0.478 |
| 3 | Gerhard Berger | Ferrari | 1:09.032 | 1:08.282 | 0.693 |
| 4 | Michele Alboreto | Ferrari | 1:09.624 | 1:09.422 | 1.833 |
| 5 | Thierry Boutsen | Benetton-Ford | 1:11.170 | 1:09.587 | 1.998 |
| 6 | Alessandro Nannini | Benetton-Ford | 1:10.743 | 1:09.718 | 2.129 |
| 7 | Nelson Piquet | Lotus-Honda | 1:09.734 | 1:09.900 | 2.145 |
| 8 | Satoru Nakajima | Lotus-Honda | 1:11.394 | 1:10.250 | 2.661 |
| 9 | Nigel Mansell | Williams-Judd | 1:11.112 | 1:10.337 | 2.748 |
| 10 | Ivan Capelli | March-Judd | 1:11.779 | 1:10.496 | 2.907 |
| 11 | Derek Warwick | Arrows-Megatron | 1:11.339 | 1:10.634 | 3.045 |
| 12 | Andrea de Cesaris | Rial-Ford | 1:11.854 | 1:10.861 | 3.272 |
| 13 | Eddie Cheever | Arrows-Megatron | 1:11.567 | 1:10.979 | 3.390 |
| 14 | Alex Caffi | Dallara-Ford | 1:13.144 | 1:11.211 | 3.622 |
| 15 | Riccardo Patrese | Williams-Judd | 1:11.671 | 1:11.286 | 3.697 |
| 16 | Mauricio Gugelmin | March-Judd | 1:11.315 | 1:11.404 | 3.726 |
| 17 | Philippe Streiff | AGS-Ford | 1:12.004 | 1:11.466 | 3.877 |
| 18 | Philippe Alliot | Lola-Ford | 1:12.286 | 1:11.511 | 3.922 |
| 19 | Yannick Dalmas | Lola-Ford | 1:12.547 | 1:11.747 | 4.158 |
| 20 | Stefano Modena | EuroBrun-Ford | 1:12.997 | 1:12.007 | 4.418 |
| 21 | Bernd Schneider | Zakspeed | 1:13.527 | 1:12.026 | 4.437 |
| 22 | Pierluigi Martini | Minardi-Ford | 1:13.039 | 1:12.268 | 4.679 |
| 23 | Jonathan Palmer | Tyrrell-Ford | 1:13.063 | 1:12.316 | 4.727 |
| 24 | Nicola Larini | Osella | 1:13.037 | 1:12.406 | 4.817 |
| 25 | Luis Perez-Sala | Minardi-Ford | 1:12.938 | 1:12.525 | 4.936 |
| 26 | Oscar Larrauri | EuroBrun-Ford | 1:13.888 | 1:12.538 | 4.949 |
| DNQ | René Arnoux | Ligier-Judd | 1:12.654 | 1:12.736 | 5.065 |
| DNQ | Julian Bailey | Tyrrell-Ford | 1:13.839 | 1:12.697 | 5.108 |
| DNQ | Stefan Johansson | Ligier-Judd | 1:13.629 | 1:12.801 | 5.212 |
| EXCL | Piercarlo Ghinzani | Zakspeed | 1:14.797 | 1:12.121 | 4.532 |
| 1 | Alain Prost | 54 | 9,6,9,9,6,6,9 | |
| 2 | Ayrton Senna | 39 | 0,9,0,6,9,9,6 | |
| 3 | Gerhard Berger | 21 | 6,2,6,4,0,0,3 | |
| ▲ | 4 | Michele Alboreto | 13 | 2,0,4,3,0,0,4 |
| Nelson Piquet | 13 | 4,4,0,0,3,0,2 | ||
| ▼ | 6 | Thierry Boutsen | 11 | 0,3,0,0,4,4,0 |
| 7 | Derek Warwick | 8 | 3,0,3,2,0,0,0 | |
| 8 | Jonathan Palmer | 5 | 0,0,2,0,1,2,0 | |
| 9 | Andrea de Cesaris | 3 | 0,0,0,0,0,3,0 | |
| 10 | Ivan Capelli | 2 | 0,0,0,0,2,0,0 | |
| ▲ | Alessandro Nannini | 2 | 0,1,0,0,0,0,1 | |
| ▼ | 12 | Satoru Nakajima | 1 | 1,0,0,0,0,0,0 |
| ▼ | Eddie Cheever | 1 | 0,0,0,1,0,0,0 | |
| ▼ | Pierluigi Martini | 1 | 0,0,0,0,0,1,0 | |
| ▼ | Riccardo Patrese | 1 | 0,0,1,0,0,0,0 |
| 1 | McLaren-Honda | 93 | 9,15,9,15,15,15,15 | |
| 2 | Ferrari | 34 | 8,2,10,7,0,0,7 | |
| 3 | Lotus-Honda | 14 | 5,4,0,0,3,0,2 | |
| ▼ | 4 | Benetton-Ford | 13 | 0,4,0,0,4,4,1 |
| 5 | Arrows-Megatron | 9 | 3,0,3,3,0,0,0 | |
| 6 | Tyrrell-Ford | 5 | 0,0,2,0,1,2,0 | |
| 7 | Rial-Ford | 3 | 0,0,0,0,0,3,0 | |
| 8 | March-Judd | 2 | 0,0,0,0,2,0,0 | |
| 9 | Minardi-Ford | 1 | 0,0,0,0,0,1,0 | |
| Williams-Judd | 1 | 0,0,1,0,0,0,0 |