Countdown to
000d 00h 00m 00s| Engine manufacturers / 1971 | |||
| « 1970 | 1972 » |
1971 Engine manufacturers
| Engine manufacturer | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Alfa Romeo | 12 | 10 | |||||
| 2 | BRM | 39 | 36 | 1 | 2 | 4 | 1 | 42 |
| 3 | Ferrari | 31 | 27 | 3 | 2 | 7 | 4 | 44 |
| 4 | Ford Cosworth | 187 | 162 | 6 | 7 | 21 | 6 | 179 |
| 5 | Matra | 21 | 17 | 1 | 1 | 10 | ||
| 6 | Pratt & Whitney | 3 | 3 |