1991 Grande Prémio de Portugal
Estoril · · Formula 1
Race summary
| Winner | Grid | Cars | Margin | Laps | km | Fastest lap |
|---|---|---|---|---|---|---|
| Riccardo Patrese | 1 | 26 | 20.941 | 71 | 308.8 | Nigel Mansell |
Finishing order
Interval is the deficit to the winner: seconds where official timing recorded them, laps where a car finished down. ★ marks the fastest lap.
| Fin | Grid | No. | Driver | Constructor | Engine | Laps | FL | Interval | Status | Pts |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 6 | Riccardo Patrese | Williams | Renault | 71 | Finished | 10 | ||
| 2 | 3 | 1 | Ayrton Senna | McLaren | Honda | 71 | +20.941s | Finished | 6 | |
| 3 | 6 | 28 | Jean Alesi | Ferrari | Ferrari | 71 | +53.554s | Finished | 4 | |
| 4 | 8 | 23 | Pierluigi Martini | Minardi | Ferrari | 71 | +63.498s | Finished | 3 | |
| 5 | 11 | 20 | Nelson Piquet | Benetton | Ford | 71 | +70.033s | Finished | 2 | |
| 6 | 10 | 19 | Michael Schumacher | Benetton | Ford | 71 | +76.582s | Finished | 1 | |
| 7 | 7 | 15 | Maurício Gugelmin | Leyton House | Ilmor | 70 | +1 lap | Finished | ||
| 8 | 14 | 33 | Andrea de Cesaris | Jordan | Ford | 70 | +1 lap | Finished | ||
| 9 | 13 | 24 | Gianni Morbidelli | Minardi | Ferrari | 70 | +1 lap | Finished | ||
| 10 | 16 | 32 | Roberto Moreno | Jordan | Ford | 70 | +1 lap | Finished | ||
| 11 | 23 | 26 | Érik Comas | Ligier | Lamborghini | 70 | +1 lap | Finished | ||
| 12 | 19 | 7 | Martin Brundle | Brabham | Yamaha | 69 | +2 laps | Finished | ||
| 13 | 21 | 3 | Satoru Nakajima | Tyrrell | Honda | 68 | +3 laps | Finished | ||
| 14 | 26 | 11 | Mika Häkkinen | Team Lotus | Judd | 68 | +3 laps | Finished | ||
| 15 | 24 | 9 | Michele Alboreto | Footwork | Ford | 68 | +3 laps | Finished | ||
| 16 | 20 | 25 | Thierry Boutsen | Ligier | Lamborghini | 68 | +3 laps | Finished | ||
| 17 | 9 | 16 | Ivan Capelli | Leyton House | Ilmor | 64 | — | Front wing | ||
| — | 12 | 4 | Stefano Modena | Tyrrell | Honda | 56 | — | Engine | ||
| — | 25 | 30 | Aguri Suzuki | Lola | Ford | 40 | — | Transmission | ||
| — | 5 | 27 | Alain Prost | Ferrari | Ferrari | 39 | — | Engine | ||
| — | 2 | 2 | Gerhard Berger | McLaren | Honda | 37 | — | Engine | ||
| — | 17 | 21 | Emanuele Pirro | Dallara | Judd | 18 | — | Engine | ||
| — | 18 | 22 | JJ Lehto | Dallara | Judd | 14 | — | Gearbox | ||
| — | 15 | 8 | Mark Blundell | Brabham | Yamaha | 12 | — | Suspension | ||
| — | 22 | 12 | Johnny Herbert | Team Lotus | Judd | 1 | — | Engine | ||
| — | 4 | 5 | Nigel Mansell | Williams | Renault | 51 | ★ | — | Illegal pit stop | |
| — | — | 29 | Éric Bernard | Lola | Ford | — | Not classified | |||
| — | — | 17 | Gabriele Tarquini | AGS | Ford | — | Not classified | |||
| — | — | 34 | Nicola Larini | Modena | Lamborghini | — | Not classified | |||
| — | — | 35 | Eric van de Poele | Modena | Lamborghini | — | Not classified | |||
| — | — | 18 | Fabrizio Barbazza | AGS | Ford | — | Not classified | |||
| — | — | 14 | Olivier Grouillard | Fondmetal | Ford | — | Not classified | |||
| — | — | 10 | Alex Caffi | Footwork | Ford | — | Not classified | |||
| — | — | 31 | Pedro Chaves | Coloni | Ford | — | Not classified |