Ausfallquote (Motorenhersteller)
Um die Statistik nicht zu verfälschen, muss ein Motorenhersteller mindestens an fünf Rennen teilgenommen haben, um hier aufgelistet zu werden.
| Pos. | Nation | Prozent | |
|---|---|---|---|
| 1 | Mécachrome |  | 21,875% |
| 2 | Porsche |  | 25,641% |
| 3 | Toyota |  | 26,289% |
| 4 | Mercedes-Benz | | 30,812% |
| 5 | Petronas |  | 32,000% |
| 6 | Acer | | 32,353% |
| 7 | Playlife | | 32,813% |
| 8 | Ferrari |  | 33,766% |
| 9 | Fondmetal | | 35,294% |
| 10 | Honda | | 35,561% |
| 11 | Renault | | 37,519% |
| 12 | TAG |  | 38,060% |
| 13 | Mugen Honda | | 40,550% |
| 14 | Cosworth |  | 40,887% |
| 15 | Climax | | 42,759% |
| 16 | BMW | | 42,769% |
| 17 | Bristol | | 43,478% |
| 18 | Asiatech | | 43,939% |
| 19 | Matra | | 45,402% |
| 20 | Ford |  | 46,912% |
| 21 | Repco | | 48,000% |
| 22 | Peugeot | | 48,899% |
| 23 | Offenhauser | | 49,185% |
| 24 | Supertec | | 49,231% |
| 25 | Talbot | | 49,383% |
| 26 | Aston Martin | | 50,000% |
| = | ERA | | 50,000% |
| = | Platé | | 50,000% |
| 29 | Maserati | | 51,200% |
| 30 | BRM | | 51,206% |
| 31 | European | | 51,515% |
| 32 | Lamborghini | | 51,942% |
| 33 | Megatron | | 54,348% |
| 34 | Veritas | | 56,250% |
| 35 | Yamaha | | 58,182% |
| 36 | Judd | | 58,451% |
| 37 | Ilmor | | 58,915% |
| 38 | Novi | | 60,000% |
| 39 | Alfa Romeo | | 61,603% |
| 40 | Lea Francis | | 61,765% |
| 41 | Vanwall | | 62,500% |
| 42 | Alta | | 63,380% |
| 43 | Gordini | | 63,566% |
| 44 | Hart | | 65,244% |
| 45 | Zakspeed | | 68,750% |
| 46 | Arrows | | 69,841% |
| 47 | Lancia | | 70,000% |
| = | OSCA | | 70,000% |
| = | Osella | | 70,000% |
| 50 | Weslake | | 82,609% |
| 51 | A.T.S. | | 83,333% |
| 52 | Motori Moderni | | 87,838% |
| 53 | Tecno | | 90,000% |
