Portuguese Grand Prix 1991
22 September 1991
Autódromo do Estoril, Portugal
- Location
- Estoril, Portugal
- Laps
- 71
- Previous winners
- 1996Jacques VilleneuveWilliams
- 1995David CoulthardWilliams
- 1994Damon HillWilliams
- 1993Michael SchumacherBenetton
- 1992Nigel MansellWilliams
Starting Grid
- 1
Riccardo Patrese
Williams
No time set
- 2
Gerhard Berger
McLaren
No time set
- 3
Ayrton Senna
McLaren
No time set
- 4
Nigel Mansell
Williams
No time set
- 5
Alain Prost
Ferrari
No time set
- 6
Jean Alesi
Ferrari
No time set
- 7
Maurício Gugelmin
Leyton House
No time set
- 8
Pierluigi Martini
Minardi
No time set
- 9
Ivan Capelli
Leyton House
No time set
- 10
Michael Schumacher
Benetton
No time set
- 11
Nelson Piquet
Benetton
No time set
- 12
Stefano Modena
Tyrrell
No time set
- 13
Gianni Morbidelli
Minardi
No time set
- 14
Andrea de Cesaris
Jordan
No time set
- 15
Mark Blundell
Brabham
No time set
- 16
Emanuele Pirro
Dallara
No time set
- 17
Satoru Nakajima
Tyrrell
No time set
- 18
Jyrki Järvilehto
Dallara
No time set
- 19
Martin Brundle
Brabham
No time set
- 20
Thierry Boutsen
Ligier
No time set
- 21
Roberto Moreno
Jordan
No time set
- 22
Michele Alboreto
Footwork
No time set
- 23
Érik Comas
Ligier
No time set
- 24
Mika Häkkinen
Team Lotus
No time set
- 25
Aguri Suzuki
Lola
No time set
- 26
Johnny Herbert
Team Lotus
No time set
- PIT
Éric Bernard
Lola
No time set
- PIT
Gabriele Tarquini
AGS
No time set
- PIT
Nicola Larini
Lambo
No time set
- PIT
Eric van de Poele
Lambo
No time set
- PIT
Fabrizio Barbazza
AGS
No time set
- PIT
Olivier Grouillard
Fondmetal
No time set
- PIT
Alex Caffi
Footwork
No time set
- PIT
Pedro Chaves
Coloni
No time set
Laps Lead
Results
| 1 | 0 | Riccardo Patrese Williams | 71 laps | 1:35:42.304 | 10pts |
| 2 | +1 | Ayrton Senna McLaren | 71 laps | +20.941 | 6pts |
| 3 | +3 | Jean Alesi Ferrari | 71 laps | +53.554 | 4pts |
| 4 | +4 | Pierluigi Martini Minardi | 71 laps | +1:03.498 | 3pts |
| 5 | +6 | Nelson Piquet Benetton | 71 laps | +1:10.033 | 2pts |
| 6 | +4 | Michael Schumacher Benetton | 71 laps | +1:16.582 | 1pts |
| 7 | 0 | Maurício Gugelmin Leyton House | 70 laps | ||
| 8 | +6 | Andrea de Cesaris Jordan | 70 laps | ||
| 9 | +4 | Gianni Morbidelli Minardi | 70 laps | ||
| 10 | +11 | Roberto Moreno Jordan | 70 laps | ||
| 11 | +12 | Érik Comas Ligier | 70 laps | ||
| 12 | +7 | Martin Brundle Brabham | 69 laps | ||
| 13 | +4 | Satoru Nakajima Tyrrell | 68 laps | ||
| 14 | +10 | Mika Häkkinen Team Lotus | 68 laps | ||
| 15 | +7 | Michele Alboreto Footwork | 68 laps | ||
| 16 | +4 | Thierry Boutsen Ligier | 68 laps | ||
| 17 | -8 | Ivan Capelli Leyton House | 64 laps | ||
| R | - | Stefano Modena Tyrrell | 56 laps | ||
| D | - | Nigel Mansell Williams | 51 laps | ||
| R | - | Aguri Suzuki Lola | 40 laps | ||
| R | - | Alain Prost Ferrari | 39 laps | ||
| R | - | Gerhard Berger McLaren | 37 laps | ||
| R | - | Jyrki Järvilehto Dallara | 21 laps | ||
| R | - | Emanuele Pirro Dallara | 18 laps | ||
| R | - | Mark Blundell Brabham | 12 laps | ||
| R | - | Johnny Herbert Team Lotus | 1 laps | ||
| F | - | Éric Bernard Lola | 0 laps | ||
| F | - | Gabriele Tarquini AGS | 0 laps | ||
| F | - | Nicola Larini Lambo | 0 laps | ||
| F | - | Eric van de Poele Lambo | 0 laps | ||
| F | - | Fabrizio Barbazza AGS | 0 laps | ||
| F | - | Olivier Grouillard Fondmetal | 0 laps | ||
| F | - | Alex Caffi Footwork | 0 laps | ||
| F | - | Pedro Chaves Coloni | 0 laps |