| «1981-02» | Brazil Grand Prix - X Grande Premio do Brasil |
| 1981-03-29 | Jacarepagua - Autódromo do Rio de Janeiro - 62 laps × 5.031 km : 311.922 km |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 14 | Marc Surer | Ensign • Ford Cosworth | 01:54.302 | 158.454 km/h | 36 | |
| 2 | 26 | Jacques Laffite | Ligier • Matra | 01:54.500 | 158.180 km/h | 37 | +00.198 |
| 3 | 5 | Nelson Piquet | Brabham • Ford Cosworth | 01:54.670 | 157.945 km/h | 31 | +00.368 |
| 4 | 2 | Carlos Reutemann | Williams • Ford Cosworth | 01:54.780 | 157.794 km/h | 61 | +00.478 |
| 5 | 1 | Alan Jones | Williams • Ford Cosworth | 01:55.210 | 157.205 km/h | 54 | +00.908 |
| 6 | 25 | Jean-Pierre Jarier | Ligier • Matra | 01:55.850 | 156.337 km/h | 38 | +01.548 |
| 7 | 29 | Riccardo Patrese | Arrows • Ford Cosworth | 01:56.100 | 156.000 km/h | 9 | +01.798 |
| 8 | 11 | Elio de Angelis | Lotus • Ford Cosworth | 01:56.270 | 155.772 km/h | 46 | +01.968 |
| 9 | 33 | Patrick Tambay | Theodore • Ford Cosworth | 01:56.710 | 155.185 km/h | 15 | +02.408 |
| 10 | 23 | Bruno Giacomelli | Alfa Romeo | 01:56.730 | 155.158 km/h | 40 | +02.428 |
| 11 | 7 | John Watson | McLaren • Ford Cosworth | 01:56.950 | 154.866 km/h | 29 | +02.648 |
| 12 | 12 | Nigel Mansell | Lotus • Ford Cosworth | 01:57.120 | 154.641 km/h | 10 | +02.818 |
| 13 | 15 | Alain Prost | Renault | 01:57.120 | 154.641 km/h | 14 | +02.818 |
| 14 | 6 | Hector Rebaque | Brabham • Ford Cosworth | 01:57.270 | 154.444 km/h | 14 | +02.968 |
| 15 | 20 | Keke Rosberg | Fittipaldi • Ford Cosworth | 01:57.340 | 154.351 km/h | 8 | +03.038 |
| 16 | 27 | Gilles Villeneuve | Ferrari | 01:57.420 | 154.246 km/h | 8 | +03.118 |
| 17 | 8 | Andrea de Cesaris | McLaren • Ford Cosworth | 01:58.870 | 152.365 km/h | 7 | +04.568 |
| 18 | 3 | Eddie Cheever | Tyrrell • Ford Cosworth | 01:59.190 | 151.956 km/h | 34 | +04.888 |
| 19 | 4 | Ricardo Zunino | Tyrrell • Ford Cosworth | 02:00.350 | 150.491 km/h | 39 | +06.048 |
| 20 | 28 | Didier Pironi | Ferrari | 02:00.440 | 150.379 km/h | 15 | +06.138 |
| 21 | 30 | Siegfried Stohr | Arrows • Ford Cosworth | 02:03.420 | 146.748 km/h | 12 | +09.118 |