The 1991 Canadian Grand Prix was Round 5 of the 1991 FIA Formula 1 World Championship. The event was held in Montreal, Canada on Sunday, 2 June 1991. Riccardo Patrese started on pole position in the Williams Renault and Nelson Piquet was the race winner in the Benetton Ford.
1991 Molson Grand Prix Du Canada Race Result
| Pos. | No. | Driver | Nationality | Team | Tyre | Laps | Time/Retired | Race Time | Gap | Interval | Best Lap | Lap | Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 20 | Nelson Piquet | Brazil | Benetton Ford | Pirelli | 69 | 1:38:51.490 | 1:38:51.490 | - | - | 1:23.758 | 34 | 185.520 | 8 | 10 |
| 2 | 4 | Stefano Modena | Italy | Tyrrell Honda | Pirelli | 69 | +31.832 | 1:39:23.322 | +31.832 | +31.832 | 1:23.528 | 52 | 184.530 | 9 | 6 |
| 3 | 6 | Riccardo Patrese | Italy | Williams Renault | Goodyear | 69 | +42.217 | 1:39:33.707 | +42.217 | +10.385 | 1:22.672 | 48 | 184.209 | 1 | 4 |
| 4 | 33 | Andrea de Cesaris | Italy | Jordan Ford | Goodyear | 69 | +1:20.210 | 1:40:11.700 | +1:20.210 | +37.993 | 1:24.105 | 54 | 183.045 | 11 | 3 |
| 5 | 32 | Bertrand Gachot | France | Jordan Ford | Goodyear | 69 | +1:22.351 | 1:40:13.841 | +1:22.351 | +2.141 | 1:24.479 | 50 | 182.979 | 14 | 2 |
| 6 | 5 | Nigel Mansell | Great Britain | Williams Renault | Goodyear | 68 | Electrical | 1:36:27.132 | 1 lap | 1 lap | 1:22.385 | 65 | 187.392 | 2 | 1 |
| 7 | 23 | Pierluigi Martini | Italy | Minardi Ferrari | Goodyear | 68 | +1 lap | 1:39:15.706 | 1 lap | +2:48.574 | 1:25.237 | 46 | 182.088 | 18 | |
| 8 | 26 | Érik Comas | France | Ligier Lamborghini | Goodyear | 68 | +1 lap | 1:39:42.305 | 1 lap | +26.599 | 1:25.877 | 36 | 181.278 | 26 | |
| 9 | 21 | Emanuele Pirro | Italy | Dallara Judd | Pirelli | 68 | +1 lap | 1:40:20.401 | 1 lap | +38.096 | 1:25.183 | 45 | 180.131 | 10 | |
| 10 | 3 | Satoru Nakajima | Japan | Tyrrell Honda | Pirelli | 67 | +2 laps | 1:39:40.842 | 2 laps | 1 lap | 1:25.620 | 65 | 178.656 | 12 | |
| DNF | 15 | Maurício Gugelmin | Brazil | Leyton House Ilmor | Goodyear | 61 | Engine | 1:31:13.069 | 1:28.212 | 48 | 177.748 | 23 | |||
| DNF | 22 | JJ Lehto | Finland | Dallara Judd | Pirelli | 50 | Engine | 1:12:31.048 | 1:24.680 | 48 | 183.266 | 17 | |||
| DNF | 10 | Stefan Johansson | Sweden | Footwork Porsche | Goodyear | 48 | Throttle | 1:16:56.963 | 1:28.420 | 38 | 165.802 | 25 | |||
| DNF | 16 | Ivan Capelli | Italy | Leyton House Ilmor | Goodyear | 42 | Engine | 1:01:02.825 | 1:24.547 | 40 | 182.868 | 13 | |||
| DNF | 28 | Jean Alesi | France | Ferrari | Goodyear | 34 | Engine | 49:16.534 | 1:24.125 | 32 | 183.401 | 7 | |||
| DNF | 29 | Éric Bernard | France | Lola Ford | Goodyear | 29 | Gearbox | 42:56.786 | 1:26.510 | 28 | 179.484 | 19 | |||
| DNF | 27 | Alain Prost | France | Ferrari | Goodyear | 27 | Gearbox | 39:20.392 | 1:24.186 | 25 | 182.425 | 4 | |||
| DNF | 25 | Thierry Boutsen | Belgium | Ligier Lamborghini | Goodyear | 27 | Engine | 39:51.575 | 1:26.469 | 27 | 180.047 | 16 | |||
| DNF | 1 | Ayrton Senna | Brazil | McLaren Honda | Goodyear | 25 | Alternator | 36:03.398 | 1:24.647 | 19 | 184.293 | 3 | |||
| DNF | 11 | Mika Häkkinen | Finland | Lotus Judd | Goodyear | 21 | Spun Off | 31:24.315 | 1:26.626 | 18 | 177.734 | 24 | |||
| DNF | 7 | Martin Brundle | Great Britain | Brabham Yamaha | Pirelli | 21 | Engine | 36:21.836 | 1:27.549 | 13 | 153.498 | 20 | |||
| DNF | 24 | Gianni Morbidelli | Italy | Minardi Ferrari | Goodyear | 20 | Spun Off | 29:35.895 | 1:26.576 | 16 | 179.605 | 15 | |||
| DNF | 19 | Roberto Moreno | Brazil | Benetton Ford | Pirelli | 10 | Suspension | 15:13.863 | 1:25.690 | 9 | 174.511 | 5 | |||
| DNF | 2 | Gerhard Berger | Austria | McLaren Honda | Goodyear | 4 | Injection | 12:44.060 | 1:29.815 | 3 | 83.490 | 6 | |||
| DNF | 30 | Aguri Suzuki | Japan | Lola Ford | Goodyear | 3 | Fuel Leak | 4:50.224 | 1:29.644 | 3 | 164.851 | 22 | |||
| DNF | 9 | Michele Alboreto | Italy | Footwork Porsche | Goodyear | 2 | Throttle | 3:21.804 | 1:36.279 | 2 | 158.054 | 21 | |||
| DNQ | 18 | Fabrizio Barbazza | Italy | AGS Ford | Goodyear | ||||||||||
| DNQ | 17 | Gabriele Tarquini | Italy | AGS Ford | Goodyear | ||||||||||
| DNQ | 8 | Mark Blundell | Great Britain | Brabham Yamaha | Pirelli | ||||||||||
| DNQ | 12 | Johnny Herbert | Great Britain | Lotus Judd | Goodyear | ||||||||||
| DNPQ | 14 | Olivier Grouillard | France | Fondmetal Ford | Goodyear | ||||||||||
| DNPQ | 34 | Nicola Larini | Italy | Lambo Lamborghini | Goodyear | ||||||||||
| DNPQ | 35 | Eric van de Poele | Belgium | Lambo Lamborghini | Goodyear | ||||||||||
| DNPQ | 13 | Pedro Chaves | Portugal | Coloni Ford | Goodyear |