| Round | Grand Prix | Circuit | Date | Action |
|---|---|---|---|---|
| 1 | Gran Premio de Argentina 1955 Argentina | Juan y Oscar Gálvez Buenos aires | Jan 16 Sunday | Details |
| 2 | Grand Prix de Monaco 1955 Monaco | Monaco Monte carlo | May 22 Sunday | Details |
| 3 | 1955 Indianapolis 500 United States Of America | Indianapolis Indianapolis | May 30 Monday | Details |
| 4 | 1955 Belgian Grand Prix Belgium | Spa-Francorchamps Spa | Jun 5 Sunday | Details |
| 5 | Grote Prijs van Nederland 1955 Netherlands | Zandvoort Zandvoort | Jun 19 Sunday | Details |
| 6 | 1955 RAC British Grand Prix United Kingdom | Aintree Aintree | Jul 16 Saturday | Details |
| 7 | Gran Premio d'Italia 1955 Italy | Monza Monza | Sep 11 Sunday | Details |
