Portuguese Grand Prix 1991: resultados de Corrida
Autódromo do Estoril, Estoril
| Pos | Driver | Team | Grid | Time / status | Pts |
|---|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 1 | 1:35:42.304 | 10 |
| 2 | Ayrton Senna | McLaren | 3 | +20.941 | 6 |
| 3 | Jean Alesi | Ferrari | 6 | +53.554 | 4 |
| 4 | Pierluigi Martini | Minardi | 8 | +1:03.498 | 3 |
| 5 | Nelson Piquet | Benetton | 11 | +1:10.033 | 2 |
| 6 | Michael Schumacher | Benetton | 10 | +1:16.582 | 1 |
| 7 | Maurício Gugelmin | Leyton House | 7 | +1 Lap | 0 |
| 8 | Andrea de Cesaris | Jordan | 14 | +1 Lap | 0 |
| 9 | Gianni Morbidelli | Minardi | 13 | +1 Lap | 0 |
| 10 | Roberto Moreno | Jordan | 21 | +1 Lap | 0 |
| 11 | Érik Comas | Ligier | 23 | +1 Lap | 0 |
| 12 | Martin Brundle | Brabham | 19 | +2 Laps | 0 |
| 13 | Satoru Nakajima | Tyrrell | 17 | +3 Laps | 0 |
| 14 | Mika Häkkinen | Team Lotus | 24 | +3 Laps | 0 |
| 15 | Michele Alboreto | Footwork | 22 | +3 Laps | 0 |
| 16 | Thierry Boutsen | Ligier | 20 | +3 Laps | 0 |
| 17 | Ivan Capelli | Leyton House | 9 | Spun off | 0 |
| 18 | Stefano Modena | Tyrrell | 12 | Engine | 0 |
| 19 | Nigel Mansell | Williams | 4 | Disqualified | 0 |
| 20 | Aguri Suzuki | Lola | 25 | Transmission | 0 |
| 21 | Alain Prost | Ferrari | 5 | Engine | 0 |
| 22 | Gerhard Berger | McLaren | 2 | Engine | 0 |
| 23 | Emanuele Pirro | Dallara | 16 | Engine | 0 |
| 24 | Jyrki Järvilehto | Dallara | 18 | Gearbox | 0 |
| 25 | Mark Blundell | Brabham | 15 | Suspension | 0 |
| 26 | Johnny Herbert | Team Lotus | 26 | Engine | 0 |