Formula 1 Partner Juan Manuel Fangio and Roberto_Mieres 1954
| Buenos Aires 1954-01-17 | |||
|---|---|---|---|
| 1 | Juan Manuel Fangio | Maserati | 3:00:55.800 |
| 11 | Roberto Mieres | Maserati | 5 laps |
| Spa-Francorchamps 1954-06-20 | |||
| 1 | Juan Manuel Fangio | Maserati | 2:44:42.400 |
| 14 | Roberto Mieres | Maserati | 1 lap |
