| «1981-14» | Canada Grand Prix - XX Grand Prix du Canada |
| 1981-09-27 | Montréal - Circuit Gilles Villeneuve - 63 laps × 4.41 km : 277.83 km |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 7 | John Watson | McLaren • Ford Cosworth | 01:49.475 | 145.019 km/h | 43 | |
| 2 | 26 | Jacques Laffite | Ligier • Matra | 01:49.765 | 144.636 km/h | 46 | +00.290 |
| 3 | 2 | Carlos Reutemann | Williams • Ford Cosworth | 01:50.309 | 143.923 km/h | 39 | +00.834 |
| 4 | 8 | Andrea de Cesaris | McLaren • Ford Cosworth | 01:50.762 | 143.334 km/h | 46 | +01.287 |
| 5 | 33 | Marc Surer | Theodore • Ford Cosworth | 01:51.020 | 143.001 km/h | 40 | +01.545 |
| 6 | 15 | Alain Prost | Renault | 01:51.197 | 142.774 km/h | 48 | +01.722 |
| 7 | 23 | Bruno Giacomelli | Alfa Romeo | 01:51.490 | 142.398 km/h | 55 | +02.015 |
| 8 | 5 | Nelson Piquet | Brabham • Ford Cosworth | 01:51.849 | 141.941 km/h | 45 | +02.374 |
| 9 | 11 | Elio de Angelis | Lotus • Ford Cosworth | 01:51.927 | 141.842 km/h | 47 | +02.452 |
| 10 | 27 | Gilles Villeneuve | Ferrari | 01:52.087 | 141.640 km/h | 47 | +02.612 |
| 11 | 22 | Mario Andretti | Alfa Romeo | 01:52.580 | 141.020 km/h | 61 | +03.105 |
| 12 | 3 | Eddie Cheever | Tyrrell • Ford Cosworth | 01:53.964 | 139.307 km/h | 42 | +04.489 |
| 13 | 9 | Slim Borgudd | ATS • Ford Cosworth | 01:54.794 | 138.300 km/h | 38 | +05.319 |
| 14 | 17 | Derek Daly | March • Ford Cosworth | 01:54.946 | 138.117 km/h | 41 | +05.471 |
| 15 | 6 | Hector Rebaque | Brabham • Ford Cosworth | 01:55.172 | 137.846 km/h | 33 | +05.697 |
| 16 | 32 | Jean-Pierre Jarier | Osella • Ford Cosworth | 01:55.949 | 136.922 km/h | 26 | +06.474 |
| 17 | 4 | Michele Alboreto | Tyrrell • Ford Cosworth | 01:55.977 | 136.889 km/h | 52 | +06.502 |
| 18 | 28 | Didier Pironi | Ferrari | 01:56.285 | 136.527 km/h | 24 | +06.810 |
| 19 | 1 | Alan Jones | Williams • Ford Cosworth | 01:56.624 | 136.130 km/h | 5 | +07.149 |
| 20 | 12 | Nigel Mansell | Lotus • Ford Cosworth | 01:56.718 | 136.020 km/h | 37 | +07.243 |
| 21 | 25 | Patrick Tambay | Ligier • Matra | 01:59.888 | 132.424 km/h | 4 | +10.413 |
| 22 | 14 | Eliseo Salazar | Ensign • Ford Cosworth | 02:03.264 | 128.797 km/h | 4 | +13.789 |
| 23 | 29 | Riccardo Patrese | Arrows • Ford Cosworth | 02:07.558 | 124.461 km/h | 3 | +18.083 |