| 1 | 10 | Peter WHITEHEAD | P. N. Whitehead | Ferrari 125 | Ferrari V12 c | 55 | |
| 2 | 5 | Reg PARNELL | Scuderia Ambrosiana | Maserati 4CLT/48 | Maserati L4 c | 54 | |
| 3 | 3 | Emmanuel de GRAFFENRIED | Enrico Platé | Maserati 4CLT/48 | Maserati L4 c | 54 | |
| 4 | 11 | Bob GERARD | Bob Gerard Racing | ERA B | ERA L6 c | 54 | |
| 5 | 15 | Brian SHAWE-TAYLOR | Privé | ERA B | ERA L6 c | 54 | |
| 6 | 18 | Geoff CROSSLEY | Privé | Alta GP | Alta L4 c | 51 | |
| 7 | 14 | Graham WHITEHEAD | P. N. Whitehead | ERA B | ERA L6 c | 51 | |
| 8 | 19 | Joe KELLY | Privé | Alta GP | Alta L4 c | 51 | |
| 9 | 16 | Joe ASHMORE | Privé | ERA A | ERA L6 c | 50 | |
| 10 | 21 | Chas MORTIMER | Privé | HWM 51 | Alta L4 c | 50 | |
| 11 | 9 | Toni BRANCA | Vicomtesse de Walkiers | Simca Gordini T15 | Gordini L4 c | 50 | |
| 12 | 8 | Duncan HAMILTON | | | | | |
| & | | Philip FOTHERINGHAM-PARKER | Privé | Maserati 6CM | Maserati L4 | 49 | |
| ab | 6 | David HAMPSHIRE | Scuderia Ambrosiana | Maserati 4CLT/48 | Maserati L4 c | 22 | Magneto |
| ab | 22 | Bill ASTON | Privé | Cooper T9 | JAP V2 | 18 | Mecânica |
| ab | 23 | Ray MERRICK | Privé | Cooper T12 | JAP V2 | 9 | Mecânica |
| ab | 7 | David MURRAY | Scuderia Ambrosiana | Maserati 4CLT/48 | Maserati L4 c | 9 | Mecânica |
| ab | 12 | Cuth HARRISON | Privé | ERA B | ERA L6 c | 8 | Mecânica |
| ab | 4 | Prince BIRA | Enrico Platé | Maserati 4CLT/48 | Maserati L4 c | 6 | Surchauffe |
| ab | 17 | Tony ROLT | Rob Walker Racing Team | Delage 15 S8 | Delage L 8 s | 1 | Motor |
| | | | | | | | |
| nq | 20 | Archie BUTTERWORTH | Privé | AJB . | Steyr V8 | | |
| np | 24 | Sid LOGAN | Privé | Cooper T9 | JAP V2 | | ? |
| f | 1 | Louis CHIRON | Officine Alfieri Maserati | Maserati 4CLT/48 | Maserati L4 c | | Automóvel indisponible |
| f | 2 | Franco ROL | Officine Alfieri Maserati | Maserati 4CLT/48 | Maserati L4 c | | Automóvel indisponible |