Countdown to
000d 00h 00m 00s1985 Engines
| Engine | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Alfa Romeo 890T | 48 | 46 | |||||
| 2 | BMW M12/13 | 64 | 63 | 1 | 1 | 3 | 40 | |
| 3 | Ferrari 126C | 32 | 32 | 1 | 2 | 10 | 2 | 82 |
| 4 | Ford Cosworth DFY | 19 | 16 | 4 | ||||
| 5 | Hart 415T | 55 | 47 | 1 | ||||
| 6 | Honda RA163E | 32 | 31 | 3 | 4 | 8 | 4 | 71 |
| 7 | Motori Moderni Tipo 615-90 | 14 | 13 | |||||
| 8 | Renault EF15 | 67 | 67 | 7 | 2 | 11 | 3 | 80 |
| 9 | Renault EF4 | 26 | 26 | 1 | 1 | 2 | 1 | 21 |
| 10 | Renault EF4B | 14 | 14 | 2 | 12 | |||
| 11 | TAG P01 | 32 | 31 | 2 | 6 | 12 | 6 | 90 |
| 12 | Zakspeed | 10 | 9 |