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