Großer Preis von Portugal 1991
Rennen 13 der Formel-1-Saison 1991, ausgetragen am 22. September 1991.
Strecke: Autódromo do Estoril
Riccardo Patrese gewann für Williams. Pole-Position: Riccardo Patrese.
Endergebnis
| Pos. | Fahrer | Team | Start | Runden | Zeit | Punkte |
|---|---|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 1 | 71 | 1:35:42.304 | 10 |
| 2 | Ayrton Senna | McLaren | 3 | 71 | +20.941 | 6 |
| 3 | Jean Alesi | Ferrari | 6 | 71 | +53.554 | 4 |
| 4 | Pierluigi Martini | Minardi | 8 | 71 | +1:03.498 | 3 |
| 5 | Nelson Piquet | Benetton | 11 | 71 | +1:10.033 | 2 |
| 6 | Michael Schumacher | Benetton | 10 | 71 | +1:16.582 | 1 |
| 7 | Maurício Gugelmin | Leyton House | 7 | 70 | +1 Lap | 0 |
| 8 | Andrea de Cesaris | Jordan | 14 | 70 | +1 Lap | 0 |
| 9 | Gianni Morbidelli | Minardi | 13 | 70 | +1 Lap | 0 |
| 10 | Roberto Moreno | Jordan | 21 | 70 | +1 Lap | 0 |
| 11 | Érik Comas | Ligier | 23 | 70 | +1 Lap | 0 |
| 12 | Martin Brundle | Brabham | 19 | 69 | +2 Laps | 0 |
| 13 | Satoru Nakajima | Tyrrell | 17 | 68 | +3 Laps | 0 |
| 14 | Mika Häkkinen | Team Lotus | 24 | 68 | +3 Laps | 0 |
| 15 | Michele Alboreto | Footwork | 22 | 68 | +3 Laps | 0 |
| 16 | Thierry Boutsen | Ligier | 20 | 68 | +3 Laps | 0 |
| 17 | Ivan Capelli | Leyton House | 9 | 64 | Spun off | 0 |
| R | Stefano Modena | Tyrrell | 12 | 56 | Engine | 0 |
| D | Nigel Mansell | Williams | 4 | 51 | Disqualified | 0 |
| R | Aguri Suzuki | Lola | 25 | 40 | Transmission | 0 |
| R | Alain Prost | Ferrari | 5 | 39 | Engine | 0 |
| R | Gerhard Berger | McLaren | 2 | 37 | Engine | 0 |
| R | Emanuele Pirro | Dallara | 16 | 18 | Engine | 0 |
| R | Jyrki Järvilehto | Dallara | 18 | 21 | Gearbox | 0 |
| R | Mark Blundell | Brabham | 15 | 12 | Suspension | 0 |
| R | Johnny Herbert | Team Lotus | 26 | 1 | Engine | 0 |
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