| Lørdag: Kvalifikation |
| Navn | Team | Tid | Gap | |
| 1 | J. F. Gonzalez | Ferrari | 1:43,004 | - |
| 2 | Juan Manuel Fangio | Alfa Romeo | 1:44,004 | + 1,000 |
| 3 | Giuseppe Farina | Alfa Romeo | 1:45,000 | + 1,996 |
| 4 | Alberto Ascari | Ferrari | 1:45,002 | + 1,998 |
| 5 | Luigi Villoresi | Ferrari | 1:45,008 | + 2,004 |
| 6 | Consalvo Sanesi | Alfa Romeo | 1:50,002 | + 6,998 |
| 7 | Felice Bonetto | Alfa Romeo | 1:52,000 | + 8,996 |
| 8 | Peter Whitehead | Ferrari | 1:54,006 | + 11,002 |
| 9 | Louis Rosier | Lago-Talbot | 1:56,000 | + 12,996 |
| 10 | Bob Gerard | Era | 1:57,000 | + 13,996 |
| 11 | Duncan Hamilton | Lago-Talbot | 1:57,002 | + 13,998 |
| 12 | Brian Shawe-Taylor | Era | 1:58,002 | + 14,998 |
| 13 | Louis Chiron | Lago-Talbot | 2:00,002 | + 16,998 |
| 14 | Johnny Claes | Lago-Talbot | 2:05,008 | + 22,004 |
| 15 | David Murray | Maserati | 2:06,000 | + 22,996 |
| 16 | Philip Fotheringham-Parker | Maserati | 2:13,002 | + 29,998 |
| 17 | John James | Maserati | 2:17,000 | + 33,996 |
| 18 | Joe Kelly | Alta | 2:18,004 | + 34,1000 |
| 19 | Peter Walker | BRM | ||
| 20 | Reg Parnell | BRM | ||
| 107% | 1:50,214 | |||