| Circuit | Autódromo Internacional Nelson Piquet |
|---|---|
| Date | 1981-03-29 |
| Round | 2 |
| Pos | Driver | Team | Grid | Laps | Time/Status | Fastest Lap | Pts |
|---|---|---|---|---|---|---|---|
| 1 | Carlos Reutemann | Williams | 2 | 62 | 2:00:23.660 | — | 9 |
| 2 | Alan Jones | Williams | 3 | 62 | +4.440 | — | 6 |
| 3 | Riccardo Patrese | Arrows | 4 | 62 | +1:03.080 | — | 4 |
| 4 | Marc Surer | Ensign | 18 | 62 | +1:17.030 | — | 3 |
| 5 | Elio de Angelis | Team Lotus | 10 | 62 | +1:26.420 | — | 2 |
| 6 | Jacques Laffite | Ligier | 16 | 62 | +1:26.830 | — | 1 |
| 7 | Jean-Pierre Jarier | Ligier | 23 | 62 | +1:30.250 | — | 0 |
| 8 | John Watson | McLaren | 15 | 61 | +1 Lap | — | 0 |
| 9 | Keke Rosberg | Fittipaldi | 12 | 61 | +1 Lap | — | 0 |
| 10 | Patrick Tambay | Theodore | 19 | 61 | +1 Lap | — | 0 |
| 11 | Nigel Mansell | Team Lotus | 13 | 61 | +1 Lap | — | 0 |
| 12 | Nelson Piquet | Brabham | 1 | 60 | +2 Laps | — | 0 |
| 13 | Ricardo Zunino | Tyrrell | 24 | 57 | +5 Laps | — | 0 |
| 14 | Eddie Cheever | Tyrrell | 14 | 49 | Not classified | — | 0 |
| 15 | Bruno Giacomelli | Alfa Romeo | 6 | 40 | Not classified | — | 0 |
| 16 | Gilles Villeneuve | Ferrari | 7 | 25 | Turbo | — | 0 |
| 17 | Hector Rebaque | Brabham | 11 | 22 | Spun off | — | 0 |
| 18 | Alain Prost | Renault | 5 | 20 | Collision | — | 0 |
| 19 | Siegfried Stohr | Arrows | 21 | 20 | Accident | — | 0 |
| 20 | Didier Pironi | Ferrari | 17 | 19 | Collision | — | 0 |
| 21 | Andrea de Cesaris | McLaren | 20 | 9 | Engine | — | 0 |
| 22 | René Arnoux | Renault | 8 | 0 | Collision | — | 0 |
| 23 | Mario Andretti | Alfa Romeo | 9 | 0 | Collision | — | 0 |
| 24 | Chico Serra | Fittipaldi | 22 | 0 | Collision | — | 0 |
| 30 | Ricardo Londoño | Ensign | 0 | 0 | Withdrew | — | 0 |