Race Result
| GP n. 345 - 12/04/1981 - Grand Prix of Argentina Autodromo Oscar Alferedo Galvez |
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| Winner: | Nelson Piquet / Brabham-Ford - 1:34'32.74 | ||||||
| Pole Position: | Nelson Piquet / Brabham-Ford - 1:42.665 | ||||||
| Fastest Lap: | Nelson Piquet / Brabham-Ford - 1:45.287 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 5 | Brabham-Ford | 53 | 1:34'32.74 | 1 | 9 | |
| 2 | 2 | Williams-Ford | 53 | + 26.61 | 4 | 6 | |
| 3 | 15 | Renault | 53 | + 49.98 | 2 | 4 | |
| 4 | 1 | Williams-Ford | 53 | + 1'07.88 | 3 | 3 | |
| 5 | 16 | Renault | 53 | + 1'31.85 | 5 | 2 | |
| 6 | 11 | Lotus-Ford | 52 | + 1 lap | 10 | 1 | |
| 7 | 29 | Arrows-Ford | 52 | + 1 lap | 9 | 0 | |
| 8 | 22 | Alfa Romeo | 52 | + 1 lap | 17 | 0 | |
| 9 | 30 | Arrows-Ford | 52 | + 1 lap | 19 | 0 | |
| 10 | 23 | Alfa Romeo | 51 | out of fuel | 22 | 0 | |
| 11 | 8 | McLaren-Ford | 51 | + 2 laps | 18 | 0 | |
| 12 | 9 | ATS-Ford | 51 | + 2 laps | 23 | 0 | |
| 13 | 4 | Tyrrell-Ford | 51 | + 2 laps | 24 | 0 | |
| Ret | 27 | Ferrari | 40 | transmission | 7 | 0 | |
| Ret | 7 | McLaren-Ford | 36 | transmission | 11 | 0 | |
| Ret | 33 | Theodore-Ford | 36 | oil leak | 14 | 0 | |
| Ret | 6 | Brabham-Ford | 32 | electrical | 6 | 0 | |
| Ret | 21 | Fittipaldi-Ford | 28 | gear box | 20 | 0 | |
| Ret | 26 | Ligier-Matra | 19 | handling | 21 | 0 | |
| Ret | 14 | Ensign-Ford | 14 | engine | 16 | 0 | |
| Ret | 20 | Fittipaldi-Ford | 4 | fuel system | 8 | 0 | |
| Ret | 28 | Ferrari | 3 | engine | 12 | 0 | |
| Ret | 12 | Lotus-Ford | 3 | engine | 15 | 0 | |
| Ret | 3 | Tyrrell-Ford | 1 | clutch | 13 | 0 | |
| Dnq | 25 | Ligier-Matra | did not qualify | 0 | |||
| Dnq | 17 | March-Ford | did not qualify | 0 | |||
| Dnq | 18 | March-Ford | did not qualify | 0 | |||
| Dnq | 31 | Osella-Ford | did not qualify | 0 | |||
| Dnq | 32 | Osella-Ford | did not qualify | 0 | |||