| 2 | Jose-Froilan Gonzalez | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Achille Varzi |
| 4 | Alfredo Pian | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Achille Varzi |
| 6 | Johnny Claes | Talbot Lago T26C | Talbot 23CV L6 4.5 | Englebert | Ecurie Belge |
| 8 | Harry Schell | Cooper T12 | JAP V2 1.1 | Dunlop | Horschell Racing Corp |
| 10 | Robert Manzon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 12 | Maurice Trintignant | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |
| 14 | Philippe Etancelin | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 16 | Louis Rosier | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 18 | Charles Pozzi | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Ecurie Rosier |
| 20 | Yves Giraud-Cabantous | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Automobiles Talbot-Darracq SA |
| 22 | Pierre Levegh | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 24 | Cuth Harrison | ERA B | ERA L6 c 1.5 | Dunlop | Privateer |
| 26 | Bob Gerard | ERA A | ERA L6 c 1.5 | Dunlop | Privateer |
| 28 | Peter Whitehead | Ferrari 125 | Ferrari 125 V12 c 1.5 | Dunlop | Privateer |
| 32 | Giuseppe Farina | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 34 | Juan Manuel Fangio | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 36 | Luigi Fagioli | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 38 | Luigi Villoresi | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 40 | Alberto Ascari | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 42 | Raymond Sommer | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 44 | Franco Rol | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Officine Alfieri Maserati |
| 46 | Clemente Biondetti | Maserati Milano 4CLT/50 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Milano |
| 48 | Louis Chiron | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Officine Alfieri Maserati |
| 50 | Prince Bira | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Enrico Platé |
| 52 | Emmanuel de Graffenried | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Enrico Platé |
| 54 | André Simon | Simca Gordini T15 | Gordini 15C L4 c 1.5 | Englebert | Equipe Gordini |