1 | 3 | Dutch Grand Prix | 4 | David Brown Corporation | Aston Martin DBR4/250 | Aston Martin DBR4 | 13 | Engine |
2 | 4 | French Grand Prix | 16 | High Efficiency Motors | Cooper T45 | Maserati 250S | 16 | Engine |
3 | 8 | Italian Grand Prix | 24 | David Brown Corporation | Aston Martin DBR4/250 | Aston Martin DBR4 | 17 | Engine |
4 | 9 | United States Grand Prix | 12 | High Efficiency Motors | Cooper T45 | Maserati 250S | 11 | Transmission |