Williams
Carlos Reutemann a terminé P2 du Championnat du Monde 1981 avec 49 points. En 15 courses : 2 victoires, 7 podiums et 2 pole positions — meilleur résultat P1.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | United States Grand Prix West | Williams | 3 | P2 | 6 | Finished |
| 2 | Brazilian Grand Prix | Williams | 2 | P1 | 9 | Finished |
| 3 | Argentine Grand Prix | Williams | 4 | P2 | 6 | Finished |
| 4 | San Marino Grand Prix | Williams | 2 | P3 | 4 | Finished |
| 5 | Belgian Grand Prix | Williams | 1 |
| P1 |
| 9 |
| Finished |
| 6 | Monaco Grand Prix | Williams | 4 | P13 | Gearbox |
| 7 | Spanish Grand Prix | Williams | 3 | P4 | 3 | Finished |
| 8 | French Grand Prix | Williams | 7 | P10 | +2 Laps |
| 9 | British Grand Prix | Williams | 9 | P2 | 6 | Finished |
| 10 | German Grand Prix | Williams | 3 | P18 | Engine |
| 11 | Austrian Grand Prix | Williams | 5 | P5 | 2 | Finished |
| 12 | Dutch Grand Prix | Williams | 5 | P18 | Collision |
| 13 | Italian Grand Prix | Williams | 2 | P3 | 4 | Finished |
| 14 | Canadian Grand Prix | Williams | 2 | P10 | +3 Laps |
| 15 | Caesars Palace Grand Prix | Williams | 1 | P8 | +1 Lap |