| «1951-08» | Spain Grand Prix - XI Gran Premio de España |
| 1951-10-28 | Pedralbes - 70 laps × 6.316 km : 442.12 km |
| Car | Driver | Chassis | Engine | Tyres | Team Name |
|---|---|---|---|---|---|
| 2 | Alberto Ascari | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Scuderia Ferrari |
| 4 | Luigi Villoresi | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Scuderia Ferrari |
| 6 | Jose-Froilan Gonzalez | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Scuderia Ferrari |
| 8 | Piero Taruffi | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Scuderia Ferrari |
| 10 | Peter Whitehead | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Privateer |
| 12 | Maurice Trintignant | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 14 | Robert Manzon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 16 | André Simon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 18 | Prince Bira | Maserati 4CLT/48 | OSCA 4500 V12 4.5 | Pirelli | Ecurie Siam |
| 20 | Giuseppe Farina | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 22 | Juan Manuel Fangio | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 24 | Felice Bonetto | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 26 | Emmanuel de Graffenried | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 28 | Louis Rosier | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 30 | Louis Chiron | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 32 | Yves Giraud-Cabantous | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 34 | Philippe Etancelin | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 36 | Johnny Claes | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Englebert | Ecurie Belge |
| 38 | Georges Grignard | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 40 | Reg Parnell | BRM P15 | BRM P15 V16 c 1.5 | Dunlop | BRM |
| 44 | Francisco Godia-Sales | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Milano |
| 46 | Joaquin Palacio | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Privateer |
| 46 | Juan Jover | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Milano |
| 48 | Chico Landi | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Escuderia Bandeirantes |
| 48 | Toni Branca | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Privateer |