Grande Prêmio do Brasil 1981
| Pos | No | Driver | Constructor | Laps | Time / Gap | Pts | Grid | |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Carlos Reutemann | Williams | 62 | 2:00:23.660 | 9 | 2 | |
| 2 | 1 | Alan Jones | Williams | 62 | 2:00:28.100 | 6 | 3 | |
| 3 | 29 | Riccardo Patrese | Arrows | 62 | 2:01:26.740 | 4 | 4 | |
| 4 | 14 | Marc Surer | Ensign | 62 | 2:01:40.690 | 3 | 18 | FL |
| 5 | 11 | Elio de Angelis | Lotus | 62 | 2:01:50.080 | 2 | 10 | |
| 6 | 26 | Jacques Laffite | Ligier | 62 | 2:01:50.490 | 1 | 16 | |
| 7 | 25 | Jean-Pierre Jarier | Ligier | 62 | 2:01:53.910 | — | 23 | |
| 8 | 7 | John Watson | McLaren | 61 | +1 lap | — | 15 | |
| 9 | 20 | Keke Rosberg | Fittipaldi | 61 | +1 lap | — | 12 | |
| 10 | 33 | Patrick Tambay | Theodore | 61 | +1 lap | — | 19 | |
| 11 | 12 | Nigel Mansell | Lotus | 61 | +1 lap | — | 13 | |
| 12 | 5 | Nelson Piquet | Brabham | 60 | +2 laps | — | 1 | Pole |
| 13 | 4 | Ricardo Zunino | Tyrrell | 57 | +5 laps | — | 24 | |
| NC | 3 | Eddie Cheever | Tyrrell | 49 | +13 laps | — | 14 | |
| NC | 23 | Bruno Giacomelli | Alfa Romeo | 40 | +22 laps | — | 6 | |
| DNF | 27 | Gilles Villeneuve | Ferrari | 25 | Turbo | — | 7 | |
| DNF | 6 | Héctor Rebaque | Brabham | 22 | Spun off | — | 11 | |
| DNF | 15 | Alain Prost | Renault | 20 | Collision | — | 5 | |
| DNF | 30 | Siegfried Stohr | Arrows | 20 | Accident | — | 21 | |
| DNF | 28 | Didier Pironi | Ferrari | 19 | Collision | — | 17 | |
| DNF | 8 | Andrea de Cesaris | McLaren | 9 | Engine | — | 20 | |
| DNF | 21 | Chico Serra | Fittipaldi | 0 | Collision | — | 22 | |
| DNF | 16 | René Arnoux | Renault | 0 | Collision | — | 8 | |
| DNF | 22 | Mario Andretti | Alfa Romeo | 0 | Collision | — | 9 | |
| DNQ | 9 | Jan Lammers | ATS | — | — | — | — | |
| DNQ | 32 | Beppe Gabbiani | Osella | — | — | — | — | |
| DNQ | 31 | Miguel Ángel Guerra | Osella | — | — | — | — | |
| DNQ | 18 | Eliseo Salazar | March | — | — | — | — | |
| DNQ | 17 | Derek Daly | March | — | — | — | — | |
| DNS | 25 | Jean-Pierre Jabouille | Ligier | — | Car raced by Jarier | — | — | |
| DNP | 14 | Ricardo Londoño | Ensign | — | Car raced by Surer | — | — |
| Grid | Driver | Constructor | Quali | Penalty |
|---|---|---|---|---|
| 1 | Nelson Piquet | Brabham | 1 | — |
| 2 | Carlos Reutemann | Williams | 2 | — |
| 3 | Alan Jones | Williams | 3 | — |
| 4 | Riccardo Patrese | Arrows | 4 | — |
| 5 | Alain Prost | Renault | 5 | — |
| 6 | Bruno Giacomelli | Alfa Romeo | 6 | — |
| 7 | Gilles Villeneuve | Ferrari | 7 | — |
| 8 | René Arnoux | Renault | 8 | — |
| 9 | Mario Andretti | Alfa Romeo | 9 | — |
| 10 | Elio de Angelis | Lotus | 10 | — |
| 11 | Héctor Rebaque | Brabham | 11 | — |
| 12 | Keke Rosberg | Fittipaldi | 12 | — |
| 13 | Nigel Mansell | Lotus | 13 | — |
| 14 | Eddie Cheever | Tyrrell | 14 | — |
| 15 | John Watson | McLaren | 15 | — |
| 16 | Jacques Laffite | Ligier | 16 | — |
| 17 | Didier Pironi | Ferrari | 17 | — |
| 18 | Marc Surer | Ensign | 18 | — |
| 19 | Patrick Tambay | Theodore | 19 | — |
| 20 | Andrea de Cesaris | McLaren | 20 | — |
| 21 | Siegfried Stohr | Arrows | 21 | — |
| 22 | Chico Serra | Fittipaldi | 22 | — |
| 23 | Jean-Pierre Jarier | Ligier | 23 | — |
| 24 | Ricardo Zunino | Tyrrell | 24 | — |
| # | Driver | Constructor | Lap | Time | Gap |
|---|---|---|---|---|---|
| 1 | Marc Surer | Ensign | 36 | 1:54.302 | — |
Drivers after race
| Pos | Driver | Pts |
|---|---|---|
| 1 | Alan Jones | 15 |
| 1 | Carlos Reutemann | 15 |
| 3 | Nelson Piquet | 4 |
| 3 | Riccardo Patrese | 4 |
| 5 | Mario Andretti | 3 |
| 5 | Marc Surer | 3 |
| 7 | Eddie Cheever | 2 |
| 7 | Elio de Angelis | 2 |
| 9 | Patrick Tambay | 1 |
| 9 | Jacques Laffite | 1 |