Automobil-Weltmeisterschaft
Saison | Portuguese Grand Prix Estoril (Autódromo Fernanda Pires da Silva) |
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| Schnellste Rennrunde | ||||||||
| Pos | Nr | Fahrer | Nat | Fahrzeug | Team | in Rnd | Zeit | km/h |
| 1 | 6 | Riccardo Patrese |  |
Williams Renault | Canon Williams Team | 56 | 1:18.306 | 199.985 |
| 2 | 19 | Alessandro Nannini | |
Benetton Ford Cosworth | Benetton Formula Ltd | 59 | 1:18.355 | 199.860 |
| 3 | 1 | Alain Prost |  |
Ferrari | Scuderia Ferrari SpA | 52 | 1:18.396 | 199.755 |
| 4 | 28 | Gerhard Berger |  |
McLaren Honda | Honda Marlboro McLaren | 52 | 1:18.438 | 199.648 |
| 5 | 2 | Nigel Mansell |  |
Ferrari | Scuderia Ferrari SpA | 49 | 1:18.577 | 199.295 |
| 6 | 27 | Ayrton Senna |  |
McLaren Honda | Honda Marlboro McLaren | 48 | 1:18.936 | 198.389 |
| 7 | 20 | Nelson Piquet | |
Benetton Ford Cosworth | Benetton Formula Ltd | 54 | 1:19.713 | 196.455 |
| 8 | 30 | Aguri Suzuki |  |
Lola Lamborghini | Espo Larrousse F1 | 41 | 1:20.349 | 194.900 |
| 9 | 5 | Thierry Boutsen |  |
Williams Renault | Canon Williams Team | 29 | 1:20.575 | 194.353 |
| 10 | 9 | Michele Alboreto | |
Arrows Ford Cosworth | Footwork Arrows Racing | 55 | 1:20.792 | 193.831 |
| 11 | 26 | Philippe Alliot | |
Ligier Ford Cosworth | Ligier Gitanes | 41 | 1:20.914 | 193.539 |
| 12 | 4 | Jean Alesi | |
Tyrrell Ford Cosworth | Tyrrell Racing Organisation | 32 | 1:20.916 | 193.534 |
| 13 | 25 | Nicola Larini | |
Ligier Ford Cosworth | Ligier Gitanes | 55 | 1:20.958 | 193.434 |
| 14 | 23 | Pierluigi Martini | |
Minardi Ford Cosworth | SCM Minardi Team | 35 | 1:21.186 | 192.890 |
| 15 | 16 | Ivan Capelli | |
Leyton House Judd | Leyton House Racing | 47 | 1:21.623 | 191.858 |
| 16 | 10 | Alex Caffi | |
Arrows Ford Cosworth | Footwork Arrows Racing | 49 | 1:21.843 | 191.342 |
| 17 | 15 | Mauricio Gugelmin | |
Leyton House Judd | Leyton House Racing | 32 | 1:21.894 | 191.223 |
| 18 | 21 | Emanuele Pirro | |
Dallara Ford Cosworth | BMS Scuderia Italia | 40 | 1:22.231 | 190.439 |
| 19 | 7 | David Brabham |  |
Brabham Judd | Motor Racing Developments | 28 | 1:22.275 | 190.337 |
| 20 | 29 | Eric Bernard | |
Lola Lamborghini | Espo Larrousse F1 | 21 | 1:22.434 | 189.970 |
| 21 | 12 | Martin Donnelly | |
Lotus Lamborghini | Camel Team Lotus | 11 | 1:22.625 | 189.531 |
| 22 | 8 | Stefano Modena | |
Brabham Judd | Motor Racing Developments | 18 | 1:23.232 | 188.149 |
| 23 | 11 | Derek Warwick | |
Lotus Lamborghini | Camel Team Lotus | 4 | 1:23.510 | 187.522 |
| 24 | 18 | Yannick Dalmas | |
AGS Ford Cosworth | AGS Racing | 3 | 1:24.879 | 184.498 |