| 2 | Jose-Froilan Gonzalez | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Achille Varzi |
| 2 | Nello Pagani | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Achille Varzi |
| 4 | Johnny Claes | Talbot Lago T26C | Talbot 23CV L6 4.5 | Englebert | Ecurie Belge |
| 6 | Yves Giraud-Cabantous | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Automobiles Talbot-Darracq SA |
| 8 | Eugène Martin | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Automobiles Talbot-Darracq SA |
| 10 | Louis Rosier | Talbot Lago T26C-DA | Talbot 23CV L6 4.5 | Dunlop | Automobiles Talbot-Darracq SA |
| 12 | Luigi Fagioli | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 14 | Juan Manuel Fangio | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 16 | Giuseppe Farina | Alfa Romeo 158 | Alfa Romeo 158 L8 c 1.5 | Pirelli | SA Alfa Romeo |
| 18 | Alberto Ascari | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 20 | Raymond Sommer | Ferrari 166 | Ferrari 125 V12 1.5 | Pirelli | Scuderia Ferrari |
| 22 | Luigi Villoresi | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 24 | Peter Whitehead | Ferrari 125 | Ferrari 125 V12 c 1.5 | Pirelli | Scuderia Ferrari |
| 26 | Louis Chiron | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Officine Alfieri Maserati |
| 28 | Franco Rol | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Officine Alfieri Maserati |
| 30 | Prince Bira | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Enrico Platé |
| 32 | Emmanuel de Graffenried | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Pirelli | Enrico Platé |
| 34 | Felice Bonetto | Maserati Milano 4CLT/50 | Maserati 4CLT L4 c 1.5 | Pirelli | Scuderia Milano |
| 36 | Reg Parnell | Maserati 4CLT/48 | Maserati 4CLT L4 c 1.5 | Dunlop | Scuderia Ambrosiana |
| 38 | Rudi Fischer | SVA 1500 | FIAT L4 c | Pirelli | Ecurie Espadon |
| 40 | Toni Branca | Maserati 4CL | Maserati 4CLT L4 c 1.5 | Pirelli | Privateer |
| 42 | Philippe Etancelin | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Privateer |
| 44 | Harry Schell | Talbot Lago T26C | Talbot 23CV L6 4.5 | Dunlop | Ecurie Bleue |