| «1951-07» | Italy Grand Prix - XXII Gran Premio d'Italia |
| 1951-09-16 | Monza - Autodromo Nazionale di Monza - 80 laps × 6.3 km : 504.0 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 | Gianni Marzotto | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Scuderia Ferrari |
| 12 | Chico Landi | Ferrari 375 | Ferrari 375 V12 4.5 | Pirelli | Privateer |
| 14 | Rudi Fischer | Ferrari 212 | Ferrari 375 V12 4.5 | Pirelli | Ecurie Espadon |
| 16 | Peter Whitehead | Ferrari 125 | Ferrari 125 V12 c 1.5 | Dunlop | Privateer |
| 18 | Louis Rosier | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 20 | Louis Chiron | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 22 | Pierre Levegh | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 24 | Yves Giraud-Cabantous | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 26 | Johnny Claes | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Englebert | Ecurie Belge |
| 28 | Jacques Swaters | Talbot Lago T26C | Talbot 23CV L6 4.5 | Englebert | Ecurie Belgique |
| 30 | Reg Parnell | BRM P15 | BRM P15 V16 c 1.5 | Dunlop | BRM |
| 32 | Hans Stuck | BRM P15 | BRM P15 V16 c 1.5 | Dunlop | BRM |
| 32 | Ken Richardson | BRM P15 | BRM P15 V16 c 1.5 | Dunlop | BRM |
| 34 | Giuseppe Farina | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 36 | Emmanuel de Graffenried | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 36 | Consalvo Sanesi | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 38 | Juan Manuel Fangio | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 40 | Felice Bonetto | Alfa Romeo 159 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 44 | Franco Rol | OSCA 4500G | OSCA 4500 V12 4.5 | Pirelli | OSCA Automobili |
| 46 | Robert Manzon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 48 | André Simon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 50 | Jean Behra | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 50 | Maurice Trintignant | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |