| 1 | Juan Manuel FANGIO | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 2 | Giuseppe FARINA | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 3 | Luigi FAGIOLI | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 3 | Gianbattista GUIDOTTI * | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 4 | Reg PARNELL | SA Alfa Romeo | Alfa Romeo | 158 | Alfa Romeo | 158 L8 c 1.5 | Pirelli |
| 5 | David MURRAY | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Dunlop |
| 6 | David HAMPSHIRE | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Dunlop |
| 8 | Leslie JOHNSON | ERA Ltd | ERA | E | ERA | L6 c 1.5 | Dunlop |
| 9 | Tony ROLT | Privé | ERA | E | ERA | L6 c 1.5 | Dunlop |
| 9 | Peter WALKER | Privé | ERA | E | ERA | L6 c 1.5 | Dunlop |
| 10 | Joe FRY | Privé | Maserati | 4CL | Maserati | 4CLT L4 c 1.5 | Dunlop |
| 10 | Brian SHAWE-TAYLOR | Privé | Maserati | 4CL | Maserati | 4CLT L4 c 1.5 | Dunlop |
| 11 | Cuth HARRISON | Privé | ERA | B | ERA | L6 c 1.5 | Dunlop |
| 12 | Bob GERARD | Privé | ERA | B/C | ERA | L6 c 1.5 | Dunlop |
| 14 | Yves GIRAUD-CABANTOUS | Automobiles Talbot-Darracq SA | Talbot Lago | T26C-DA | Talbot | 23CV L6 4.5 | Dunlop |
| 15 | Louis ROSIER | Ecurie Rosier | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 16 | Philippe ETANCELIN | Privé | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Dunlop |
| 17 | Eugène MARTIN | Automobiles Talbot-Darracq SA | Talbot Lago | T26C-DA | Talbot | 23CV L6 4.5 | Dunlop |
| 18 | Johnny CLAES | Ecurie Belge | Talbot Lago | T26C | Talbot | 23CV L6 4.5 | Englebert |
| 19 | Louis CHIRON | Officine Alfieri Maserati | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 20 | Emmanuel de GRAFFENRIED | Enrico Platé | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 21 | Prince BIRA | Enrico Platé | Maserati | 4CLT/48 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 22 | Felice BONETTO | Scuderia Milano | Maserati Milano | 4CLT/50 | Maserati | 4CLT L4 c 1.5 | Pirelli |
| 23 | Joe KELLY | Privé | Alta | GP | Alta | L4 c 1.5 | Dunlop |
| 24 | Geoff CROSSLEY | Privé | Alta | GP | Alta | L4 c 1.5 | Dunlop |
| 26 | Raymond MAYS | Privé | ERA | D | ERA | L6 c 1.5 | Dunlop |