1991 United States Grand Prix
| Date | Sunday, 10 March 1991 |
|---|---|
| Winner |
|
| Pole position |
|
| Fastest lap |
|
| Circuit | Phoenix, 81 laps |
| Round | 1 of 16 |
| Race numbers | The 1991 United States Grand Prix was the
|
| More 1991 season | |
| More United States Grands Prix | |
| Previous race | 1990 Australian Grand Prix |
Race result
Notes
- Pierluigi Martini ended lap 75 in P6 before retiring on the following lap.
- Bertrand Gachot ended lap 75 in P8 before retiring on the following lap.
- Jean Alesi ended lap 72 in P5 before retiring on the following lap.
Starting grid
| Pos | Driver | Constructor |
|---|---|---|
| 1 |  Ayrton Senna | McLaren-Honda |
| 2 |  Alain Prost | Ferrari |
| 3 |  Riccardo Patrese | Williams-Renault |
| 4 |  Nigel Mansell | Williams-Renault |
| 5 | Nelson Piquet | Benetton-Ford Cosworth |
| 6 | Jean Alesi | Ferrari |
| 7 |  Gerhard Berger | McLaren-Honda |
| 8 | Roberto Moreno | Benetton-Ford Cosworth |
| 9 | Emanuele Pirro | Dallara-Judd |
| 10 |  JJ Lehto | Dallara-Judd |
| 11 | Stefano Modena | Tyrrell-Honda |
| 12 | Martin Brundle | Brabham-Yamaha |
| 13 | Mika Hakkinen | Lotus-Judd |
| 14 | Bertrand Gachot | Jordan-Ford Cosworth |
| 15 | Pierluigi Martini | Minardi-Ferrari |
| 16 |  Satoru Nakajima | Tyrrell-Honda |
| 17 | Nicola Larini | Lamborghini |
| 18 | Ivan Capelli | Leyton House-Ilmor |
| 19 | Eric Bernard | Lola-Ford Cosworth |
| 20 |  Thierry Boutsen | Ligier-Lamborghini |
| 21 | Aguri Suzuki | Lola-Ford Cosworth |
| 22 | Gabriele Tarquini | AGS-Ford Cosworth |
| 23 | Mauricio Gugelmin | Leyton House-Ilmor |
| 24 | Mark Blundell | Brabham-Yamaha |
| 25 | Michele Alboreto | Footwork-Porsche |
| 26 | Gianni Morbidelli | Minardi-Ferrari |
Qualifying result
| Pos | Driver | Constructor | Time | Gap |
|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren-Honda | 1:21.434 | |
| 2 | Alain Prost | Ferrari | 1:22.555 | 1.121 |
| 3 | Riccardo Patrese | Williams-Renault | 1:22.833 | 1.399 |
| 4 | Nigel Mansell | Williams-Renault | 1:23.218 | 1.784 |
| 5 | Nelson Piquet | Benetton-Ford Cosworth | 1:23.384 | 1.950 |
| 6 | Jean Alesi | Ferrari | 1:23.519 | 2.085 |
| 7 | Gerhard Berger | McLaren-Honda | 1:23.742 | 2.308 |
| 8 | Roberto Moreno | Benetton-Ford Cosworth | 1:23.881 | 2.447 |
| 9 | Emanuele Pirro | Dallara-Judd | 1:24.792 | 3.358 |
| 10 | JJ Lehto | Dallara-Judd | 1:24.891 | 3.457 |
| 11 | Stefano Modena | Tyrrell-Honda | 1:25.065 | 3.631 |
| 12 | Martin Brundle | Brabham-Yamaha | 1:25.385 | 3.951 |
| 13 | Mika Hakkinen | Lotus-Judd | 1:25.448 | 4.014 |
| 14 | Bertrand Gachot | Jordan-Ford Cosworth | 1:25.701 | 4.267 |
| 15 | Pierluigi Martini | Minardi-Ferrari | 1:25.715 | 4.281 |
| 16 | Satoru Nakajima | Tyrrell-Honda | 1:25.752 | 4.318 |
| 17 | Nicola Larini | Lamborghini | 1:25.791 | 4.357 |
| 18 | Ivan Capelli | Leyton House-Ilmor | 1:26.121 | 4.687 |
| 19 | Eric Bernard | Lola-Ford Cosworth | 1:26.425 | 4.991 |
| 20 | Thierry Boutsen | Ligier-Lamborghini | 1:26.500 | 5.066 |
| 21 | Aguri Suzuki | Lola-Ford Cosworth | 1:26.548 | 5.114 |
| 22 | Gabriele Tarquini | AGS-Ford Cosworth | 1:26.851 | 5.417 |
| 23 | Mauricio Gugelmin | Leyton House-Ilmor | 1:26.865 | 5.431 |
| 24 | Mark Blundell | Brabham-Yamaha | 1:26.915 | 5.481 |
| 25 | Michele Alboreto | Footwork-Porsche | 1:27.015 | 5.581 |
| 26 | Gianni Morbidelli | Minardi-Ferrari | 1:27.042 | 5.608 |
| Did not qualify | ||||
| 27 | Alex Caffi | Footwork-Porsche | 1:27.519 | 6.085 |
| 28 |  Stefan Johansson | AGS-Ford Cosworth | 1:27.753 | 6.319 |
| 29 | Erik Comas | Ligier-Lamborghini | 1:27.904 | 6.470 |
| 30 | Julian Bailey | Lotus-Judd | 1:28.570 | 7.136 |
| Did not pre-qualify | ||||
| 31 | Andrea de Cesaris | Jordan-Ford Cosworth | 1:30.937 | 9.503 |
| 32 |  Pedro Chaves | Coloni-Ford Cosworth | 1:31.113 | 9.679 |
| 33 | Olivier Grouillard | Fondmetal-Ford Cosworth | 1:32.123 | 10.689 |
| 34 | Eric van de Poele | Lamborghini | 1:37.046 | 15.612 |
Championship standings
How the championship standings stood post-1991 United States Grand Prix.
Driver
| Pos | Driver | Points |
|---|---|---|
| 1 | Ayrton Senna | 10 |
| 2 | Alain Prost | 6 |
| 3 | Nelson Piquet | 4 |
| 4 | Stefano Modena | 3 |
| 5 | Satoru Nakajima | 2 |
| 6 | Aguri Suzuki | 1 |
Constructor
| Pos | Constructor | Points |
|---|---|---|
| 1 | McLaren-Honda | 10 |
| 2 | Ferrari | 6 |
| 3 | Tyrrell-Honda | 5 |
| 4 | Benetton-Ford Cosworth | 4 |
| 5 | Lola-Ford Cosworth | 1 |
Statistics & milestones
- Race debut
- Mark Blundell, Mika Hakkinen
- Footwork, Jordan, Lamborghini
- Milestone race start
- 150th for Nigel Mansell (9th driver to start 150 races, 3rd British driver), 100th for Gerhard Berger (33rd driver to start 100 races, 2nd Austrian driver)
- Wins
- 27th for Ayrton Senna
- 87th for McLaren
- Podiums
- 90th for Alain Prost (1st driver to score 90 podiums, 1st French driver), 58th for Nelson Piquet, 55th for Ayrton Senna
- 344th for Ferrari, 208th for McLaren, 24th for Benetton
- Poles
- 53rd for Ayrton Senna
- 68th for McLaren
- Fastest laps
- 1st for Jean Alesi (89th different fastest lap setter, 13th French driver; last until 1995)
- 118th for Ferrari
- Front row starts
- 67th for Alain Prost, 65th for Ayrton Senna
- Points finishes
- 10th and last for Satoru Nakajima
- Pole & win
- 22nd for Ayrton Senna