Race Result
| GP n. 15 - 28/10/1951 - Grand Prix of Spain Pedralbes |
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| Winner: | Juan Manuel Fangio / Alfa Romeo - 2:46'54.10 | ||||||
| Pole Position: | Alberto Ascari / Ferrari - 2:10.59 | ||||||
| Fastest Lap: | Juan Manuel Fangio / Alfa Romeo - 2:16.93 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 22 |  Juan Manuel Fangio |
Alfa Romeo | 70 | 2:46'54.10 | 2 | 9 |
| 2 | 6 | Jose Froilan Gonzalez |
Ferrari | 70 | +54.28 | 3 | 6 |
| 3 | 20 |  Nino Farina |
Alfa Romeo | 70 | +1'65.54 | 4 | 4 |
| 4 | 2 | Alberto Ascari |
Ferrari | 68 | +2 laps | 1 | 3 |
| 5 | 24 | Felice Bonetto |
Alfa Romeo | 68 | +2 laps | 8 | 2 |
| 6 | 26 |  Toulo de Graffenried |
Alfa Romeo | 66 | +4 laps | 6 | 0 |
| 7 | 28 |  Louis Rosier |
Talbot-Lago-Talbot | 64 | +6 laps | 20 | 0 |
| 8 | 34 | Philippe Etancelin |
Talbot-Lago-Talbot | 63 | +7 laps | 13 | 0 |
| 9 | 14 | Robert Manzon |
Simca-Gordini | 63 | +7 laps | 9 | 0 |
| 10 | 44 |  Paco Godia |
Maserati | 60 | +10 laps | 17 | 0 |
| Ret | 4 | Luigi Villoresi |
Ferrari | 48 | ignition | 5 | 0 |
| Ret | 16 | Andre Simon |
Simca-Gordini | 48 | engine | 10 | 0 |
| Ret | 36 |  Johnny Claes |
Talbot-Lago-Talbot | 37 | accident | 15 | 0 |
| Ret | 8 | Piero Taruffi |
Ferrari | 30 | wheel | 7 | 0 |
| Ret | 12 | Maurice Trintignant |
Simca-Gordini | 25 | engine | 11 | 0 |
| Ret | 38 | Georges Grignard |
Talbot-Lago-Talbot | 23 | engine | 16 | 0 |
| Ret | 32 | Yves Giraud Cabantous |
Talbot-Lago-Talbot | 7 | accident | 14 | 0 |
| Ret | 30 |  Louis Chiron |
Talbot-Lago-Talbot | 4 | ignition | 12 | 0 |
| Ret | 18 |  Prince Bira |
Maserati-Osca | 1 | engine | 19 | 0 |
| Dns | 46 | Juan Jover |
Maserati | did not start | 18 | 0 | |