MediaEntrantsGridGrand Prix

| Nr | Driver | Team | Car | Engine | Tyre | 
|---|---|---|---|---|---|
| 2 |  Raymond Sommer | R. Sommer |  Maserati 4CL [1555/1579] | Maserati 4CL L4C 1.5 | - | 
| 4 |  Luigi Villoresi | Scuderia Ambrosiana |  Maserati 4CL [1586] | Maserati 4CL L4C 1.5 | - | 
| 6 |  Alberto Ascari | Scuderia Ambrosiana |  Maserati 4CL [1583] | Maserati 4CL L4C 1.5 | - | 
| 8 |  Prince Bira | Prince Chula of Siam |  Maserati 4CL [1584] | Maserati 4CL L4C 1.5 | - | 
| 10 |  Louis Chiron | Ecurie France |  Talbot-Lago T26 MC | Talbot 23 CV L6 4.5 | - | 
| 12 |  Yves Giraud-Cabantous | Ecurie France |  Talbot-Lago T26SS [90202] | Talbot 23 CV L6 4.5 | - | 
| 14 |  Jean-Pierre Wimille | Equipe SIMCA-Gordini |  Simca Gordini T15 [7GC] | Gordini T15 L4 1.4 | - | 
| 16 |  Raph (Georges Raphaël) | Ecurie Naphtra Course |  Maserati 4CL [1588] | Maserati 4CL L4C 1.5 | - | 
| 18 |  Pierre Levegh | Ecurie Naphtra Course |  Maserati 4CL [1571] | Maserati 4CL L4C 1.5 | - | 
| 20 |  Peter Whitehead | P. N. Whitehead |  ERA B [R10B] | ERA L6C 1.5 | - | 
| 22 |  John Heath | G. E. Abecassis |  ERA A [R2A] | ERA L6C 1.5 | - | 
| 24 |  David Hampshire | R. Parnell |  ERA E [GP1] | ERA L6C 1.5 | - | 
| 26 |  Piero Taruffi | Enrico Platé |  Maserati 4CL | Maserati 4CL L4C 1.5 | - | 
| 28 |  Emmanuel de Graffenried | Enrico Platé |  Maserati 4CL [1587] | Maserati 4CL L4C 1.5 | - | 
| 30 |  Ernst Hürzeler | E. Hürzeler |  Maserati 4CM | Maserati 4CM L4C 1.5 | - | 
| 32 |  Max Christen | M. Christen |  Maserati 6CM [1520] | Maserati 6CM L6C 1.5 | - | 
| 34 |  Toni Branca | Anton Branca |  Maserati 4CL | Maserati 4CL L4C 1.5 | - | 
| 36 |  Reg Parnell | Scuderia Milan |  Maserati 4CL [1581] | Maserati 4CL L4C 1.5 | - | 
| Official Name | I Grand Prix Automobile de Lausanne | 
|---|---|
| Circuit | Lausanne | 
| Date | October 5 | 
| Pole | Alberto Ascari | 
| Fastest Lap | Alberto Ascari 01:46.500 | 
| Podium | 1st Luigi Villoresi, 2nd Jean-Pierre Wimille, 3rd Emmanuel de Graffenried | 
| Prev race | Grand Prix de l’A.C.F. September 21 | 
| Next race | Grand Prix du Salon November 16 | 
| P | N | Driver | Team | Car | Engine | Tyre | Time | Laps | FL | Gr | Pts | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 |  Luigi Villoresi | Scuderia Ambrosiana |  Maserati 4CL [1586] | Maserati 4CL L4C 1.5 | - | 02:49:30.400 | 90 | 5 | 0 | |
| 2 | 14 |  Jean-Pierre Wimille | Equipe SIMCA-Gordini |  Simca Gordini T15 [7GC] | Gordini T15 L4 1.4 | - | 02:50:34.100 | 90 | 6 | 0 | |
| 3 | 28 |  Emmanuel de Graffenried | Enrico Platé |  Maserati 4CL [1587] | Maserati 4CL L4C 1.5 | - | +4 laps | 86 | 10 | 0 | |
| 4 | 10 |  Louis Chiron | Ecurie France |  Talbot-Lago T26 MC | Talbot 23 CV L6 4.5 | - | +4 laps | 86 | 4 | 0 | |
| 5 | 12 |  Yves Giraud-Cabantous | Ecurie France |  Talbot-Lago T26SS [90202] | Talbot 23 CV L6 4.5 | - | +4 laps | 86 | 12 | 0 | |
| 6 | 20 |  Peter Whitehead | P. N. Whitehead |  ERA B [R10B] | ERA L6C 1.5 | - | +7 laps | 83 | 11 | 0 | |
| 7 | 22 |  John Heath | G. E. Abecassis |  ERA A [R2A] | ERA L6C 1.5 | - | +18 laps | 72 | 14 | 0 | |
| DNF | 2 |  Raymond Sommer | R. Sommer |  Maserati 4CL [1555/1579] | Maserati 4CL L4C 1.5 | - | Gearbox | 80 | 2 | 0 | |
| DNF | 26 |  Piero Taruffi | Enrico Platé |  Maserati 4CL | Maserati 4CL L4C 1.5 | - | Mechanical | 68 | 3 | 0 | |
| DNF | 32 |  Max Christen | M. Christen |  Maserati 6CM [1520] | Maserati 6CM L6C 1.5 | - | Mechanical | 56 | 16 | 0 | |
| DNF | 36 |  Reg Parnell | Scuderia Milan |  Maserati 4CL [1581] | Maserati 4CL L4C 1.5 | - | Brakes | 42 | 13 | 0 | |
| DNF | 24 |  David Hampshire | R. Parnell |  ERA E [GP1] | ERA L6C 1.5 | - | Clutch | 38 | 7 | 0 | |
| DNF | 6 |  Alberto Ascari | Scuderia Ambrosiana |  Maserati 4CL [1583] | Maserati 4CL L4C 1.5 | - | Brakes | 28 | 01:46.500 | 1 | 0 | 
| DNF | 8 |  Prince Bira | Prince Chula of Siam |  Maserati 4CL [1584] | Maserati 4CL L4C 1.5 | - | Engine | 18 | 8 | 0 | |
| DNF | 30 |  Ernst Hürzeler | E. Hürzeler |  Maserati 4CM | Maserati 4CM L4C 1.5 | - | Engine | 6 | 15 | 0 | |
| DNF | 16 |  Raph (Georges Raphaël) | Ecurie Naphtra Course |  Maserati 4CL [1588] | Maserati 4CL L4C 1.5 | - | Clutch | 2 | 9 | 0 | |
| DNA | 18 |  Pierre Levegh | Ecurie Naphtra Course |  Maserati 4CL [1571] | Maserati 4CL L4C 1.5 | - | DNA | 0 | 0 | ||
| DNA | 34 |  Toni Branca | Anton Branca |  Maserati 4CL | Maserati 4CL L4C 1.5 | - | DNA | 0 | 0 |