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Quote der schnellsten Rennrunden (Motorenhersteller)
Die Daten repräsentieren den Anteil der Rennen, in denen ein Motorenhersteller die schnellste Runde des Rennens fuhr.
| Pos. |
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Nation |
Prozent |
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| 1 | Offenhauser |  | 83,333% |  | | 2 | Climax |  | 45,918% |  | | 3 | Ford |  | 30,930% |  | | 4 | Mercedes-Benz |  | 29,921% |  | | 5 | Renault |  | 27,470% |  | | 6 | Ferrari |  | 27,379% |  | | 7 | TAG |  | 26,471% |  | | 8 | Lancia |  | 25,000% |  | | 9 | Vanwall |  | 20,690% |  | | 10 | Maserati |  | 17,593% |  | | 11 | Honda |  | 17,325% |  | | 12 | Novi |  | 16,667% |  | | 13 | BMW |  | 13,169% |  | | 14 | Repco |  | 12,121% |  | | 15 | Weslake |  | 11,111% |  | | 16 | Alfa Romeo |  | 8,889% |  | | 17 | BRM |  | 7,000% |  | | 18 | Matra |  | 3,968% |  | | 19 | Judd |  | 3,947% |  | | 20 | Playlife |  | 3,125% |  | | 21 | Supertec |  | 3,030% |  | | 22 | Gordini |  | 2,500% |  | | 23 | Hart |  | 1,266% |  | | 24 | Toyota |  | 0,909% |  | | 25 | Peugeot |  | 0,870% |  | | 26 | Cosworth |  | 0,820% |  |
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