Ferrari
Alain Prost terminó P5 en el Campeonato del Mundo de 1991 con 34 puntos. En 15 carreras: 0 victorias, 5 podios y 0 pole positions — mejor resultado P2.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | United States Grand Prix | Ferrari | 2 | P2 | 6 | Finished |
| 2 | Brazilian Grand Prix | Ferrari | 6 | P4 | 3 | Finished |
| 3 | San Marino Grand Prix | Ferrari | 3 | P26 | Spun off | |
| 4 | Monaco Grand Prix | Ferrari | 7 | P5 | 2 | +1 Lap |
| 5 | Canadian Grand Prix | Ferrari | 4 |
| P17 |
| Gearbox |
| 6 | Mexican Grand Prix | Ferrari | 7 | P22 | Alternator |
| 7 | French Grand Prix | Ferrari | 2 | P2 | 6 | Finished |
| 8 | British Grand Prix | Ferrari | 5 | P3 | 4 | Finished |
| 9 | German Grand Prix | Ferrari | 5 | P14 | Spun off |
| 10 | Hungarian Grand Prix | Ferrari | 4 | P26 | Engine |
| 11 | Belgian Grand Prix | Ferrari | 2 | P24 | Fuel leak |
| 12 | Italian Grand Prix | Ferrari | 5 | P3 | 4 | Finished |
| 13 | Portuguese Grand Prix | Ferrari | 5 | P21 | Engine |
| 14 | Spanish Grand Prix | Ferrari | 6 | P2 | 6 | Finished |
| 15 | Japanese Grand Prix | Ferrari | 4 | P4 | 3 | Finished |