1991 · ROUND 13
Grande Prémio de Portugal 1991
1991-09-22
| # | Driver | Team | Laps | Points |
|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 71 | 10 |
| 2 | Ayrton Senna | McLaren | 71 | 6 |
| 3 | Jean Alesi | Ferrari | 71 | 4 |
| 4 | Pierluigi Martini | Minardi | 71 | 3 |
| 5 | Nelson Piquet | Benetton | 71 | 2 |
| 6 | Michael Schumacher | Benetton | 71 | 1 |
| 7 | Maurício Gugelmin | Leyton House | 70 | — |
| 8 | Andrea de Cesaris | Jordan | 70 | — |
| 9 | Gianni Morbidelli | Minardi | 70 | — |
| 10 | Roberto Moreno | Jordan | 70 | — |
| 11 | Érik Comas | Ligier | 70 | — |
| 12 | Martin Brundle | Brabham | 69 | — |
| 13 | Satoru Nakajima | Tyrrell | 68 | — |
| 14 | Mika Häkkinen | Lotus | 68 | — |
| 15 | Michele Alboreto | Footwork | 68 | — |
| 16 | Thierry Boutsen | Ligier | 68 | — |
| 17 | Ivan Capelli | Leyton House | 64 | — |
| DNF | Stefano Modena | Tyrrell | 56 | — |
| DNF | Aguri Suzuki | Lola | 40 | — |
| DNF | Alain Prost | Ferrari | 39 | — |
| DNF | Gerhard Berger | McLaren | 37 | — |
| DNF | Emanuele Pirro | Dallara | 18 | — |
| DNF | JJ Lehto | Dallara | 14 | — |
| DNF | Mark Blundell | Brabham | 12 | — |
| DNF | Johnny Herbert | Lotus | 1 | — |
| DSQ | Nigel Mansell | Williams | 51 | — |
| DNQ | Éric Bernard | Lola | — | — |
| DNQ | Gabriele Tarquini | AGS | — | — |
| DNQ | Nicola Larini | Modena | — | — |
| DNQ | Eric van de Poele | Modena | — | — |
| DNPQ | Fabrizio Barbazza | AGS | — | — |
| DNPQ | Olivier Grouillard | Fondmetal | — | — |
| DNPQ | Alex Caffi | Footwork | — | — |
| DNPQ | Pedro Chaves | Coloni | — | — |