1991 Grande Premio do Brasil
| Date | 24.03.1991 | Category | Formula 1 |
| Circuit | Autodromo de Interlagos | Championship | Formula 1 World Championship |
| Race title | 20o Grande Premio do Brasil | Round | 2 |
| Distance | 71 laps = 307.075 km | Country | Brazil |
Winner's speed: 187.110 kmh
Pole's speed: 203.817 kmh
Fastest lap speed: 193.570 kmh
| Rank | Pos. | # | Driver | Entrant | Car | Laps | Laps lead | Time | Status | Pts | FL time | FL rank | Grid | Row | Qual time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | Ayrton Senna | Honda Marlboro McLaren | McLaren MP4/6 [3] Honda RA 121E 3.5 V12 | 71 | 71 | 1:38'28.128 | finished | 10 | 1'20.841 | 3 | 1 | 1 | 1'16.392 |
| 2 | 2 | 6 | Riccardo Patrese | Canon Williams Team | Williams FW14 [4] Renault RS3 3.5 V10 | 71 | 1:38'31.119 | finished | 6 | 1'21.330 | 7 | 2 | 1 | 1'16.775 | |
| 3 | 3 | 2 | Gerhard Berger | Honda Marlboro McLaren | McLaren MP4/6 [2] Honda RA 121E 3.5 V12 | 71 | 1:38'33.544 | finished | 4 | 1'21.125 | 5 | 4 | 2 | 1'17.471 | |
| 4 | 4 | 27 | Alain Prost | Scuderia Ferrari SpA | Ferrari 642 [123] 3.5 V12 | 71 | 1:38'47.497 | finished | 3 | 1'20.635 | 2 | 6 | 3 | 1'17.739 | |
| 5 | 5 | 20 | Nelson Piquet | Camel Benetton Ford | Benetton B190B [08] Ford HB 3.5 V8 | 71 | 1:38'50.088 | finished | 2 | 1'21.280 | 6 | 7 | 4 | 1'18.577 | |
| 6 | 6 | 28 | Jean Alesi | Scuderia Ferrari SpA | Ferrari 642 [124] 3.5 V12 | 71 | 1:38'51.769 | finished | 1 | 1'20.991 | 4 | 5 | 3 | 1'17.601 | |
| 7 | 7 | 19 | Roberto Moreno | Camel Benetton Ford | Benetton B190B [07] Ford HB 3.5 V8 | 70 | 1:38'53.327 | finished | 1'22.473 | 8 | 14 | 7 | 1'19.360 | ||
| 8 | 8 | 24 | Gianni Morbidelli | Minardi Team | Minardi M191 [1] Ferrari 3.5 V12 | 69 | 1:38'19.894 | finished | 1'23.161 | 13 | 21 | 11 | 1'20.502 | ||
| 9 | 9 | 11 | Mika Hakkinen | Team Lotus | Lotus 102B [1] Judd EV 3.5 V8 | 68 | 1:38'58.270 | finished | 1'22.613 | 9 | 22 | 11 | 1'20.611 | ||
| 10 | 10 | 25 | Thierry Boutsen | Ligier Gitanes | Ligier JS35 [02] Lamborghini 3512 3.5 V12 | 68 | 1:39'05.128 | finished | 1'23.873 | 20 | 18 | 9 | 1'19.868 | ||
| 11 | 11 | 21 | Emanuele Pirro | Scuderia Italia SpA | Dallara BMS-191 [19] Judd GV 3.5 V10 | 68 | 1:39'08.984 | finished | 1'23.808 | 19 | 12 | 6 | 1'19.305 | ||
| 12 | 12 | 7 | Martin Brundle | Motor Racing Developments Ltd | Brabham BT59Y [05] Yamaha OX99 3.5 V12 | 67 | 1:39'17.218 | finished | 1'25.319 | 23 | 26 | 13 | 1'21.280 | ||
| 13 | 13 | 32 | Bertrand Gachot | Team 7UP Jordan | Jordan 191 [04] Ford HB 3.5 V8 | 63 | 1:29'27.044 | DNF, fuel system | 1'23.051 | 11 | 10 | 5 | 1'18.882 | ||
| 14 | 5 | Nigel Mansell | Canon Williams Team | Williams FW14 [2] Renault RS3 3.5 V10 | 59 | 1:21'30.624 | DNF, gearbox | 1'20.436 | 1 | 3 | 2 | 1'16.843 | |||
| 15 | 26 | Erik Comas | Ligier Gitanes | Ligier JS35 [03] Lamborghini 3512 3.5 V12 | 50 | 1:11'46.387 | DNF, engine | 1'23.587 | 17 | 23 | 12 | 1'21.168 | |||
| 16 | 23 | Pierluigi Martini | Minardi Team | Minardi M191 [3] Ferrari 3.5 V12 | 47 | 1:06'41.245 | DNF, spun off | 1'22.887 | 10 | 20 | 10 | 1'20.175 | |||
| 17 | 8 | Mark Blundell | Motor Racing Developments Ltd | Brabham BT59Y [01] Yamaha OX99 3.5 V12 | 34 | 50'33.197 | DNF, engine | 1'26.224 | 24 | 25 | 13 | 1'21.230 | |||
| 18 | 29 | Eric Bernard | Larrousse F1 | Lola 91 [02] Ford Cosworth DFR 3.5 V8 | 33 | 47'08.161 | DNF, radiator | 1'23.270 | 14 | 11 | 6 | 1'19.291 | |||
| 19 | 22 | Jyrki Jarvilehto | Scuderia Italia SpA | Dallara BMS-191 [20] Judd GV 3.5 V10 | 22 | 31'27.829 | DNF, electrical | 1'24.420 | 21 | 19 | 10 | 1'19.954 | |||
| 20 | 33 | Andrea de Cesaris | Team 7UP Jordan | Jordan 191 [02] Ford HB 3.5 V8 | 20 | 28'12.190 | DNF, engine | 1'23.144 | 12 | 13 | 7 | 1'19.339 | |||
| 21 | 4 | Stefano Modena | Braun Tyrrell Honda | Tyrrell 020 [3] Honda RA 101E 3.5 V10 | 19 | 26'42.380 | DNF, gearbox | 1'23.424 | 15 | 9 | 5 | 1'18.847 | |||
| 22 | 16 | Ivan Capelli | Leyton House Racing | Leyton House CG911 [1] Ilmor LH 10 3.5 V10 | 16 | 22'43.674 | DNF, transmission | 1'23.580 | 16 | 15 | 8 | 1'19.517 | |||
| 23 | 3 | Satoru Nakajima | Braun Tyrrell Honda | Tyrrell 020 [2] Honda RA 101E 3.5 V10 | 12 | 17'21.647 | DNF, spun off | 1'25.053 | 22 | 16 | 8 | 1'19.546 | |||
| 24 | 15 | Mauricio Gugelmin | Leyton House Racing | Leyton House CG911 [2] Ilmor LH 10 3.5 V10 | 9 | 12'57.380 | DNF, physical | 1'23.669 | 18 | 8 | 4 | 1'18.664 | |||
| 25 | 17 | Gabriele Tarquini | Automobiles Gonfaronaise Sportive | AGS JH25B [43] Ford Cosworth DFR 3.5 V8 | 0 | DNF, suspension | 24 | 12 | 1'21.219 | ||||||
| 26 | 30 | Aguri Suzuki | Larrousse F1 | Lola 91 [01] Ford Cosworth DFR 3.5 V8 | DNS | 17 | 9 | 1'19.832 | |||||||
| 27 | 10 | Alex Caffi | Footwork Grand Prix International | Footwork A11C [4] Porsche 3.5 V12 | DNQ | 1'22.190 | |||||||||
| 28 | 18 | Stefan Johansson | Automobiles Gonfaronaise Sportive | AGS JH25B [42] Ford Cosworth DFR 3.5 V8 | DNQ | 1'22.432 | |||||||||
| 29 | 9 | Michele Alboreto | Footwork Grand Prix International | Footwork A11C [3] Porsche 3.5 V12 | DNQ | 1'22.739 | |||||||||
| 30 | 12 | Julian Bailey | Team Lotus | Lotus 102B [2] Judd EV 3.5 V8 | DNQ | 1'23.590 | |||||||||
| 31 | 35 | Eric van de Poele | Modena Team SpA | Lambo 291 [3] Lamborghini 3512 3.5 V12 | DNPQ | 1'21.919 | |||||||||
| 32 | 34 | Nicola Larini | Modena Team SpA | Lambo 291 [5] Lamborghini 3512 3.5 V12 | DNPQ | 1'22.944 | |||||||||
| 33 | 31 | Pedro Chaves | Coloni Racing Srl | Coloni C4 [1] Ford Cosworth DFR 3.5 V8 | DNPQ | 1'23.231 | |||||||||
| 34 | 14 | Olivier Grouillard | Fondmetal F1 SpA | Fondmetal FA1ME [10] Ford Cosworth DFR 3.5 V8 | DNPQ | 1'23.951 |