1991 Grand Prix of Brazil
24 March - Interlagos: 307.075km (4.325km x 71 laps)
Pole Position: Ayrton Senna, McLaren-Honda MP4/6, 1:16.392
Results
1. Ayrton Senna McLaren-Honda MP4/6 1:38:28.128 (187.110 km/h)
2. Riccardo Patrese Williams-Renault FW14 - 2.991
3. Gerhard Berger McLaren-Honda MP4/6 - 5.416
4. Alain Prost Ferrari 642 - 19.369
5. Nelson Piquet Benetton-Ford B190B - 21.960
6. Jean Alesi Ferrari 642 - 23.641
7. Roberto Moreno Benetton-Ford B190B - 1 lap
8. Gianni Morbidelli Minardi-Ferrari M191 - 2 laps
9. Mika Häkkinen Lotus-Judd 102B - 3 laps
10. Thierry Boutsen Ligier-Lamborghini JS35 - 3 laps
11. Emanuele Pirro Dallara-Judd 191 - 3 laps
12. Martin Brundle Brabham-Yamaha BT59Y - 4 laps
13. Bertrand Gachot Jordan-Ford 191 - 8 laps (Exhaust)
Fastest lap: Nigel Mansell, 1:20.436 (193.570 km/h on lap 35)
Retirements
Nigel Mansell Williams-Renault FW14 - 12 laps (Gearbox)
Erik Comas Ligier-Lamborghini JS35 - 21 laps (Oil radiator/Fire)
Pierluigi Martini Minardi-Ferrari M191 - 24 laps (Spun)
Mark Blundell Brabham-Yamaha BT59Y - 37 laps (Engine)
Eric Bernard Lola-Ford L91 - 38 laps (Clutch)
J.J. Lehto Dallara-Judd 191 - 49 laps (Alternator)
Andrea de Cesaris Jordan-Ford 191 - 51 laps (Electrics/Accident)
Stefano Modena Tyrrell-Honda 020 - 52 laps (Gearbox)
Ivan Capelli Leyton House-Ilmor CG911 - 55 laps (Engine)
Satoru Nakajima Tyrrell-Honda 020 - 59 laps (Spun)
Mauricio Gugelmin Leyton House-Ilmor CG911 - 62 laps (Driver unfit/Burnt in warm-up)
Gabriele Tarquini AGS-Ford JH25 - 71 laps (Suspension/Accident)
Did Not Start
Aguri Suzuki Lola-Ford L91 Fuel pump on dummy grid
Did Not Qualify
Alex Caffi Footwork-Porsche A11C
Stefan Johansson AGS-Ford JH25
Michele Alboreto Footwork-Porsche A11C
Julian Bailey Lotus-Judd 102B
Did Not Pre-qualify
Eric van de Poele Lamborghini 291
Nicola Larini Lamborghini 291
Pedro Chaves Coloni-Ford C4
Olivier Grouillard Fomet-Ford FA1M-E
Race leaders:
Ayrton Senna 1-71 (71 laps = 307.075 km)
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Starting Grid
1. Ayrton Senna McLaren-Honda MP4/6 1:16.392 (203.817 km/h)
2. Riccardo Patrese Williams-Renault FW14 - 0.383
3. Nigel Mansell Williams-Renault FW14 - 0.451
4. Gerhard Berger McLaren-Honda MP4/6 - 1.079
5. Jean Alesi Ferrari 642 - 1.209
6. Alain Prost Ferrari 642 - 1.347
7. Nelson Piquet Benetton-Ford B190B - 2.185
8. Mauricio Gugelmin Leyton House-Ilmor CG911 - 2.272
9. Stefano Modena Tyrrell-Honda 020 - 2.455
10. Bertrand Gachot Jordan-Ford 191 - 2.490
11. Eric Bernard Lola-Ford L91 - 2.899
12. Emanuele Pirro Dallara-Judd 191 - 2.913
13. Andrea de Cesaris Jordan-Ford 191 - 2.947
14. Roberto Moreno Benetton-Ford B190B - 2.968
15. Ivan Capelli Leyton House-Ilmor CG911 - 3.125
16. Satoru Nakajima Tyrrell-Honda 020 - 3.154
17. Aguri Suzuki Lola-Ford L91 - 3.440
18. Thierry Boutsen Ligier-Lamborghini JS35 - 3.476
19. J.J. Lehto Dallara-Judd 191 - 3.562
20. Pierluigi Martini Minardi-Ferrari M191 - 3.783
21. Gianni Morbidelli Minardi-Ferrari M191 - 4.110
22. Mika Häkkinen Lotus-Judd 102B - 4.219
23. Erik Comas Ligier-Lamborghini JS35 - 4.776
24. Gabriele Tarquini AGS-Ford JH25 - 4.827
25. Mark Blundell Brabham-Yamaha BT59Y - 4.838
26. Martin Brundle Brabham-Yamaha BT59Y - 4.888
Did Not Qualify
27. Alex Caffi Footwork-Porsche A11C - 5.798
28. Stefan Johansson AGS-Ford JH25 - 6.040
29. Michele Alboreto Footwork-Porsche A11C - 6.347
30. Julian Bailey Lotus-Judd 102B - 7.198
Did Not Pre-qualify
31. Eric van de Poele Lamborghini 291 - 5.527
32. Nicola Larini Lamborghini 291 - 6.552
33. Pedro Chaves Coloni-Ford C4 - 6.839
34. Olivier Grouillard Fomet-Ford FA1M-E - 7.559