Race Result
| GP n. 14 - 16/09/1951 - Grand Prix of Italy Autodromo Nationale di Monza |
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| Winner: | Alberto Ascari / Ferrari - 2:42'39.3 | ||||||
| Pole Position: | Juan Manuel Fangio / Alfa Romeo - 1:53.2 | ||||||
| Fastest Lap: | Nino Farina / Alfa Romeo - 1:56.5 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 2 |  Alberto Ascari |
Ferrari | 80 | 2:42'39.3 | 3 | 8 |
| 2 | 6 |  Jose Froilan Gonzalez |
Ferrari | 80 | +64.6 | 4 | 6 |
| 3 | 40* | Nino Farina |
Alfa Romeo | 50 | +1 lap | 7 | 3 |
| 3 | 40* | Felice Bonetto |
Alfa Romeo | 29 | +1 lap | 7 | 2 |
| 4 | 4 | Luigi Villoresi |
Ferrari | 79 | +1 lap | 5 | 3 |
| 5 | 8 | Piero Taruffi |
Ferrari | 78 | +2 laps | 6 | 2 |
| 6 | 48 |  Andre Simon |
Simca-Gordini | 74 | +6 laps | 11 | 0 |
| 7 | 18 | Louis Rosier |
Talbot-Lago-Talbot | 73 | +7 laps | 15 | 0 |
| 8 | 24 | Yves Giraud Cabantous |
Talbot-Lago-Talbot | 72 | +8 laps | 14 | 0 |
| 9 | 44 | Franco Rol |
Osca | 67 | +13 laps | 18 | 0 |
| Ret | 38 | Juan Manuel Fangio |
Alfa Romeo | 39 | engine | 1 | 0 |
| Ret | 46 | Robert Manzon |
Simca-Gordini | 29 | engine | 13 | 0 |
| Ret | 50 | Maurice Trintignant |
Simca-Gordini | 29 | engine | 12 | 0 |
| Ret | 20 |  Louis Chiron |
Talbot-Lago-Talbot | 23 | ignition | 17 | 0 |
| Ret | 22 | Pierre Levegh |
Talbot-Lago-Talbot | 9 | engine | 20 | 0 |
| Ret | 28 |  Jacques Swaters |
Talbot-Lago-Talbot | 7 | overheating | 22 | 0 |
| Ret | 34 | Nino Farina |
Alfa Romeo | 6 | engine | 2 | 0 |
| Ret | 26 | Johnny Claes |
Talbot-Lago-Talbot | 4 | oil pump | 21 | 0 |
| Ret | 36 |  Toulo de Graffenried |
Alfa Romeo | 1 | compressor | 9 | 0 |
| Ret | 16 |  Peter Whitehead |
Ferrari | 1 | magneto | 19 | 0 |
| Ret | 12 |  Chico Landi |
Ferrari | 0 | transmission | 16 | 0 |
| Dns | 30 | Reg Parnell |
BRM | did not start | 8 | 0 | |
| Dns | 32 | Ken Richardson |
BRM | did not start | 10 | 0 | |
| * Shared driver | |||||||