Countdown to
000d 00h 00m 00s1951 Engines
| Engine | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Alfa Romeo | 31 | 30 | 4 | 4 | 11 | 7 | 75 |
| 2 | Alta | 3 | 3 | |||||
| 3 | BRM 15 | 6 | 2 | 2 | ||||
| 4 | Chevrolet | 1 | ||||||
| 5 | Duray | 1 | ||||||
| 6 | ERA | 2 | 2 | |||||
| 7 | Ferrari 125 F1 | 3 | 3 | |||||
| 8 | Ferrari 375 F1 | 3 | ||||||
| 9 | Ferrari Type 375 | 33 | 30 | 3 | 3 | 13 | 86 | |
| 10 | Ford | 1 | ||||||
| 11 | Maserati 4 CL | 19 | 11 | |||||
| 12 | Novi | 3 | 2 | 1 | ||||
| 13 | Offenhauser | 50 | 31 | 1 | 4 | 1 | 24 | |
| 14 | Offenhauser | 1 | 1 | |||||
| 15 | OSCA | 3 | 2 | |||||
| 16 | Simca-Gordini 15C | 18 | 13 | |||||
| 17 | Sparks | 1 | ||||||
| 18 | Talbot 23CV | 46 | 45 | 5 | ||||
| 19 | Veritas | 1 | 1 |