| 2 | Jose-Froilan GONZALEZ | Scuderia Achille Varzi | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 4 | Alfredo PIAN | Scuderia Achille Varzi | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 6 | Johnny CLAES | Ecurie Belge | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Englebert |
| 8 | Harry SCHELL | Horschell Racing Corp | Cooper | T12 | JAP | V2 1.1 | Dunlop |
| 10 | Robert MANZON | Equipe Gordini | Simca Gordini | T15 | Gordini | 15C L4 c 1.5 | Englebert |
| 12 | Maurice TRINTIGNANT | Equipe Gordini | Simca Gordini | T15 | Gordini | 15C L4 c 1.5 | Englebert |
| 14 | Philippe ETANCELIN | Privé | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 16 | Louis ROSIER | Ecurie Rosier | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 18 | Charles POZZI | Ecurie Rosier | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 20 | Yves GIRAUD-CABANTOUS | Automobiles Talbot-Darracq SA | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 22 | Pierre LEVEGH | Privé | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 24 | Cuth HARRISON | Privé | ERA | B | ERA | L6 c 1.5 | Dunlop |
| 26 | Bob GERARD | Privé | ERA | A | ERA | L6 c 1.5 | Dunlop |
| 28 | Peter WHITEHEAD | Privé | Ferrari | 125 | Ferrari | 125 V12 c 1.5 | Dunlop |
| 32 | Giuseppe FARINA | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 34 | Juan Manuel FANGIO | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 36 | Luigi FAGIOLI | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 38 | Luigi VILLORESI | Scuderia Ferrari | Ferrari | 125 | Ferrari | 125 V12 c 1.5 | Pirelli |
| 40 | Alberto ASCARI | Scuderia Ferrari | Ferrari | 125 | Ferrari | 125 V12 c 1.5 | Pirelli |
| 42 | Raymond SOMMER | Scuderia Ferrari | Ferrari | 125 | Ferrari | 125 V12 c 1.5 | Pirelli |
| 44 | Franco ROL | Officine Alfieri Maserati | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 46 | Clemente BIONDETTI | Scuderia Milano | Maserati Milano | 4CLT/50 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 48 | Louis CHIRON | Officine Alfieri Maserati | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 50 | Prince BIRA | Enrico Platé | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 52 | Emmanuel de GRAFFENRIED | Enrico Platé | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 54 | André SIMON | Equipe Gordini | Simca Gordini | T15 | Gordini | 15C L4 c 1.5 | Englebert |