Published evidence
Grande Prémio de Portugal 1991
A historical profile with source-linked evidence. Further research is in progress.
THE HISTORICAL RECORD
Profile & context
Event date: 22 Sep 1991
- Name
- Grande Prémio de Portugal 1991
PROVENANCE
Sources behind this page
F1DB
v2026.17.0 · races/513
Original reference ↗Historical source & scope
F1DB v2026.17.0 · CC BY 4.0. Normalisation, links and calculations by MotorPedia. Original source observations retained.
Source-reported facts are not independent historical confirmation. Missing times and points remain unknown; source-rounded points retain their published precision. Constructor, entrant and team identities are kept distinct.
Recorded qualifying format: TWO_SESSION
Grand Prix context
Grande Prémio de Portugal 1991 · Autódromo do Estoril
Technical formula: Formula 1. World Championship membership is separate from technical regulations.
1991 Formula 1 World Championship · round 13
Race classification
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 1:35:42.304 · 71 laps · renault | 10 |
| 2 | Ayrton Senna | McLaren | 1:36:03.245 · 71 laps · honda | 6 |
| 3 | Jean Alesi | Ferrari | 1:36:35.858 · 71 laps · ferrari | 4 |
| 4 | Pierluigi Martini | Minardi | 1:36:45.802 · 71 laps · ferrari | 3 |
| 5 | Nelson Piquet | Benetton | 1:36:52.337 · 71 laps · ford | 2 |
| 6 | Michael Schumacher | Benetton | 1:36:58.886 · 71 laps · ford | 1 |
| 7 | Maurício Gugelmin | Leyton House | Time not recorded · 70 laps · ilmor | Unknown / not applicable |
| 8 | Andrea de Cesaris | Jordan | Time not recorded · 70 laps · ford | Unknown / not applicable |
| 9 | Gianni Morbidelli | Minardi | Time not recorded · 70 laps · ferrari | Unknown / not applicable |
| 10 | Roberto Moreno | Jordan | Time not recorded · 70 laps · ford | Unknown / not applicable |
| 11 | Érik Comas | Ligier | Time not recorded · 70 laps · lamborghini | Unknown / not applicable |
| 12 | Martin Brundle | Brabham | Time not recorded · 69 laps · yamaha | Unknown / not applicable |
| 13 | Satoru Nakajima | Tyrrell | Time not recorded · 68 laps · honda | Unknown / not applicable |
| 14 | Mika Häkkinen | Lotus | Time not recorded · 68 laps · judd | Unknown / not applicable |
| 15 | Michele Alboreto | Footwork | Time not recorded · 68 laps · ford | Unknown / not applicable |
| 16 | Thierry Boutsen | Ligier | Time not recorded · 68 laps · lamborghini | Unknown / not applicable |
| 17 | Ivan Capelli | Leyton House | Front wing · Time not recorded · 64 laps · ilmor | Unknown / not applicable |
| DNF | Stefano Modena | Tyrrell | Engine · Time not recorded · 56 laps · honda | Unknown / not applicable |
| DNF | Aguri Suzuki | Lola | Transmission · Time not recorded · 40 laps · ford | Unknown / not applicable |
| DNF | Alain Prost | Ferrari | Engine · Time not recorded · 39 laps · ferrari | Unknown / not applicable |
| DNF | Gerhard Berger | McLaren | Engine · Time not recorded · 37 laps · honda | Unknown / not applicable |
| DNF | Emanuele Pirro | Dallara | Engine · Time not recorded · 18 laps · judd | Unknown / not applicable |
| DNF | JJ Lehto | Dallara | Gearbox · Time not recorded · 14 laps · judd | Unknown / not applicable |
| DNF | Mark Blundell | Brabham | Suspension · Time not recorded · 12 laps · yamaha | Unknown / not applicable |
| DNF | Johnny Herbert | Lotus | Engine · Time not recorded · 1 laps · judd | Unknown / not applicable |
| DSQ | Nigel Mansell | Williams | Illegal pit stop · Time not recorded · 51 laps · renault | Unknown / not applicable |
| DNQ | Éric Bernard | Lola | Time not recorded · ford | Unknown / not applicable |
| DNQ | Gabriele Tarquini | AGS | Time not recorded · ford | Unknown / not applicable |
| DNQ | Nicola Larini | Modena | Time not recorded · lamborghini | Unknown / not applicable |
| DNQ | Eric van de Poele | Modena | Time not recorded · lamborghini | Unknown / not applicable |
| DNPQ | Fabrizio Barbazza | AGS | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Olivier Grouillard | Fondmetal | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Alex Caffi | Footwork | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Pedro Chaves | Coloni | Time not recorded · ford | Unknown / not applicable |
Qualifying
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 1:13.001 · renault | |
| 2 | Gerhard Berger | McLaren | 1:13.221 · honda | |
| 3 | Ayrton Senna | McLaren | 1:13.444 · honda | |
| 4 | Nigel Mansell | Williams | 1:13.667 · renault | |
| 5 | Alain Prost | Ferrari | 1:14.352 · ferrari | |
| 6 | Jean Alesi | Ferrari | 1:14.852 · ferrari | |
| 7 | Maurício Gugelmin | Leyton House | 1:15.266 · ilmor | |
| 8 | Pierluigi Martini | Minardi | 1:15.394 · ferrari | |
| 9 | Ivan Capelli | Leyton House | 1:15.481 · ilmor | |
| 10 | Michael Schumacher | Benetton | 1:15.578 · ford | |
| 11 | Nelson Piquet | Benetton | 1:15.666 · ford | |
| 12 | Stefano Modena | Tyrrell | 1:15.707 · honda | |
| 13 | Gianni Morbidelli | Minardi | 1:15.749 · ferrari | |
| 14 | Andrea de Cesaris | Jordan | 1:15.936 · ford | |
| 15 | Mark Blundell | Brabham | 1:16.038 · yamaha | |
| 16 | Roberto Moreno | Jordan | 1:16.080 · ford | |
| 17 | Emanuele Pirro | Dallara | 1:16.135 · judd | |
| 18 | JJ Lehto | Dallara | 1:16.532 · judd | |
| 19 | Martin Brundle | Brabham | 1:16.536 · yamaha | |
| 20 | Thierry Boutsen | Ligier | 1:16.757 · lamborghini | |
| 21 | Satoru Nakajima | Tyrrell | 1:16.926 · honda | |
| 22 | Johnny Herbert | Lotus | 1:17.015 · judd | |
| 23 | Érik Comas | Ligier | 1:17.226 · lamborghini | |
| 24 | Michele Alboreto | Footwork | 1:17.330 · ford | |
| 25 | Aguri Suzuki | Lola | 1:17.434 · ford | |
| 26 | Mika Häkkinen | Lotus | 1:17.714 · judd | |
| 27 | Éric Bernard | Lola | 1:17.825 · ford | |
| 28 | Gabriele Tarquini | AGS | 1:18.022 · ford | |
| 29 | Nicola Larini | Modena | 1:18.139 · lamborghini | |
| 30 | Eric van de Poele | Modena | 1:18.266 · lamborghini |
Starting grid
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Riccardo Patrese | Williams | 1:13.001 · renault | |
| 2 | Gerhard Berger | McLaren | 1:13.221 · honda | |
| 3 | Ayrton Senna | McLaren | 1:13.444 · honda | |
| 4 | Nigel Mansell | Williams | 1:13.667 · renault | |
| 5 | Alain Prost | Ferrari | 1:14.352 · ferrari | |
| 6 | Jean Alesi | Ferrari | 1:14.852 · ferrari | |
| 7 | Maurício Gugelmin | Leyton House | 1:15.266 · ilmor | |
| 8 | Pierluigi Martini | Minardi | 1:15.394 · ferrari | |
| 9 | Ivan Capelli | Leyton House | 1:15.481 · ilmor | |
| 10 | Michael Schumacher | Benetton | 1:15.578 · ford | |
| 11 | Nelson Piquet | Benetton | 1:15.666 · ford | |
| 12 | Stefano Modena | Tyrrell | 1:15.707 · honda | |
| 13 | Gianni Morbidelli | Minardi | 1:15.749 · ferrari | |
| 14 | Andrea de Cesaris | Jordan | 1:15.936 · ford | |
| 15 | Mark Blundell | Brabham | 1:16.038 · yamaha | |
| 16 | Roberto Moreno | Jordan | 1:16.080 · ford | |
| 17 | Emanuele Pirro | Dallara | 1:16.135 · judd | |
| 18 | JJ Lehto | Dallara | 1:16.532 · judd | |
| 19 | Martin Brundle | Brabham | 1:16.536 · yamaha | |
| 20 | Thierry Boutsen | Ligier | 1:16.757 · lamborghini | |
| 21 | Satoru Nakajima | Tyrrell | 1:16.926 · honda | |
| 22 | Johnny Herbert | Lotus | 1:17.015 · judd | |
| 23 | Érik Comas | Ligier | 1:17.226 · lamborghini | |
| 24 | Michele Alboreto | Footwork | 1:17.330 · ford | |
| 25 | Aguri Suzuki | Lola | 1:17.434 · ford | |
| 26 | Mika Häkkinen | Lotus | 1:17.714 · judd |
Championship progression
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Ayrton Senna | Not applicable / not recorded | Time not recorded | 83 |
| 2 | Nigel Mansell | Not applicable / not recorded | Time not recorded | 59 |
| 3 | Riccardo Patrese | Not applicable / not recorded | Time not recorded | 44 |
| 4 | Gerhard Berger | Not applicable / not recorded | Time not recorded | 31 |
| 5 | Nelson Piquet | Not applicable / not recorded | Time not recorded | 25 |
| 6 | Alain Prost | Not applicable / not recorded | Time not recorded | 25 |
| 7 | Jean Alesi | Not applicable / not recorded | Time not recorded | 18 |
| 8 | Stefano Modena | Not applicable / not recorded | Time not recorded | 9 |
| 9 | Andrea de Cesaris | Not applicable / not recorded | Time not recorded | 9 |
| 10 | Roberto Moreno | Not applicable / not recorded | Time not recorded | 8 |
| 11 | Pierluigi Martini | Not applicable / not recorded | Time not recorded | 6 |
| 12 | JJ Lehto | Not applicable / not recorded | Time not recorded | 4 |
| 13 | Bertrand Gachot | Not applicable / not recorded | Time not recorded | 4 |
| 14 | Michael Schumacher | Not applicable / not recorded | Time not recorded | 3 |
| 15 | Satoru Nakajima | Not applicable / not recorded | Time not recorded | 2 |
| 15 | Mika Häkkinen | Not applicable / not recorded | Time not recorded | 2 |
| 17 | Aguri Suzuki | Not applicable / not recorded | Time not recorded | 1 |
| 17 | Julian Bailey | Not applicable / not recorded | Time not recorded | 1 |
| 17 | Emanuele Pirro | Not applicable / not recorded | Time not recorded | 1 |
| 17 | Éric Bernard | Not applicable / not recorded | Time not recorded | 1 |
| 17 | Ivan Capelli | Not applicable / not recorded | Time not recorded | 1 |
| 17 | Mark Blundell | Not applicable / not recorded | Time not recorded | 1 |
Practice & warm-up observations
Original F1DB session observations; bounded to 120 rows. Missing times remain unknown. Not qualifying or race classifications.
| Session | Driver | Position | Time |
|---|---|---|---|
| freePractice1Results | Riccardo Patrese | 1 | 1:14.158 |
| freePractice1Results | Gerhard Berger | 2 | 1:14.771 |
| freePractice1Results | Ayrton Senna | 3 | 1:14.845 |
| freePractice1Results | Andrea de Cesaris | 4 | 1:15.332 |
| freePractice1Results | Nigel Mansell | 5 | 1:15.955 |
| freePractice1Results | Roberto Moreno | 6 | 1:16.131 |
| freePractice1Results | Nelson Piquet | 7 | 1:16.279 |
| freePractice1Results | Alain Prost | 8 | 1:16.298 |
| freePractice1Results | Ivan Capelli | 9 | 1:16.523 |
| freePractice1Results | Pierluigi Martini | 10 | 1:16.694 |
| freePractice1Results | JJ Lehto | 11 | 1:16.731 |
| freePractice1Results | Gianni Morbidelli | 12 | 1:16.753 |
| freePractice1Results | Jean Alesi | 13 | 1:16.801 |
| freePractice1Results | Maurício Gugelmin | 14 | 1:17.008 |
| freePractice1Results | Emanuele Pirro | 15 | 1:17.030 |
| freePractice1Results | Stefano Modena | 16 | 1:17.129 |
| freePractice1Results | Thierry Boutsen | 17 | 1:17.804 |
| freePractice1Results | Satoru Nakajima | 18 | 1:17.870 |
| freePractice1Results | Éric Bernard | 19 | 1:18.370 |
| freePractice1Results | Martin Brundle | 20 | 1:18.469 |
| freePractice1Results | Michele Alboreto | 21 | 1:18.499 |
| freePractice1Results | Érik Comas | 22 | 1:18.649 |
| freePractice1Results | Aguri Suzuki | 23 | 1:18.847 |
| freePractice1Results | Johnny Herbert | 24 | 1:18.897 |
| freePractice1Results | Michael Schumacher | 25 | 1:18.943 |
| freePractice1Results | Gabriele Tarquini | 26 | 1:19.314 |
| freePractice1Results | Mika Häkkinen | 27 | 1:19.727 |
| freePractice1Results | Mark Blundell | 28 | 1:19.820 |
| freePractice1Results | Eric van de Poele | 29 | 1:20.043 |
| freePractice1Results | Nicola Larini | 30 | 1:22.315 |
| freePractice2Results | Riccardo Patrese | 1 | 1:13.615 |
| freePractice2Results | Ayrton Senna | 2 | 1:14.501 |
| freePractice2Results | Gerhard Berger | 3 | 1:14.546 |
| freePractice2Results | Nigel Mansell | 4 | 1:14.638 |
| freePractice2Results | Stefano Modena | 5 | 1:15.408 |
| freePractice2Results | Nelson Piquet | 6 | 1:15.661 |
| freePractice2Results | Pierluigi Martini | 7 | 1:15.857 |
| freePractice2Results | JJ Lehto | 8 | 1:15.872 |
| freePractice2Results | Michael Schumacher | 9 | 1:15.881 |
| freePractice2Results | Emanuele Pirro | 10 | 1:16.125 |
| freePractice2Results | Ivan Capelli | 11 | 1:16.308 |
| freePractice2Results | Roberto Moreno | 12 | 1:16.417 |
| freePractice2Results | Mark Blundell | 13 | 1:16.509 |
| freePractice2Results | Maurício Gugelmin | 14 | 1:16.797 |
| freePractice2Results | Michele Alboreto | 15 | 1:16.861 |
| freePractice2Results | Martin Brundle | 16 | 1:16.876 |
| freePractice2Results | Johnny Herbert | 17 | 1:17.082 |
| freePractice2Results | Érik Comas | 18 | 1:17.276 |
| freePractice2Results | Satoru Nakajima | 19 | 1:17.392 |
| freePractice2Results | Gianni Morbidelli | 20 | 1:17.534 |
| freePractice2Results | Thierry Boutsen | 21 | 1:17.549 |
| freePractice2Results | Aguri Suzuki | 22 | 1:17.623 |
| freePractice2Results | Andrea de Cesaris | 23 | 1:17.727 |
| freePractice2Results | Mika Häkkinen | 24 | 1:18.062 |
| freePractice2Results | Alain Prost | 25 | 1:18.092 |
| freePractice2Results | Eric van de Poele | 26 | 1:18.164 |
| freePractice2Results | Nicola Larini | 27 | 1:18.171 |
| freePractice2Results | Gabriele Tarquini | 28 | 1:18.451 |
| freePractice2Results | Éric Bernard | 29 | 1:19.003 |
| freePractice2Results | Jean Alesi | 30 | 1:19.173 |
| warmingUpResults | Nigel Mansell | 1 | 1:18.769 |
| warmingUpResults | Riccardo Patrese | 2 | 1:18.792 |
| warmingUpResults | Gerhard Berger | 3 | 1:18.926 |
| warmingUpResults | Alain Prost | 4 | 1:19.465 |
| warmingUpResults | Gianni Morbidelli | 5 | 1:19.735 |
| warmingUpResults | Ayrton Senna | 6 | 1:19.798 |
| warmingUpResults | Ivan Capelli | 7 | 1:19.840 |
| warmingUpResults | Pierluigi Martini | 8 | 1:19.936 |
| warmingUpResults | Roberto Moreno | 9 | 1:19.955 |
| warmingUpResults | Andrea de Cesaris | 10 | 1:20.049 |
| warmingUpResults | Stefano Modena | 11 | 1:20.302 |
| warmingUpResults | Nelson Piquet | 12 | 1:20.339 |
| warmingUpResults | Michele Alboreto | 13 | 1:20.440 |
| warmingUpResults | Martin Brundle | 14 | 1:20.454 |
| warmingUpResults | Michael Schumacher | 15 | 1:20.477 |
| warmingUpResults | Érik Comas | 16 | 1:20.484 |
| warmingUpResults | Thierry Boutsen | 17 | 1:20.506 |
| warmingUpResults | Aguri Suzuki | 18 | 1:20.747 |
| warmingUpResults | Jean Alesi | 19 | 1:20.779 |
| warmingUpResults | Emanuele Pirro | 20 | 1:20.835 |
| warmingUpResults | JJ Lehto | 21 | 1:20.862 |
| warmingUpResults | Mika Häkkinen | 22 | 1:20.943 |
| warmingUpResults | Maurício Gugelmin | 23 | 1:21.045 |
| warmingUpResults | Johnny Herbert | 24 | 1:21.279 |
| warmingUpResults | Satoru Nakajima | 25 | 1:21.344 |
| warmingUpResults | Mark Blundell | 26 | 1:21.518 |