Roberto Mieres race record
| Grand Prix | Date | Team | Grid | Finish | Pts |
|---|---|---|---|---|---|
| Spanish Grand Prix 1954 | 24 Oct 1954 | Maserati | 11 | 4 | 3 |
| Italian Grand Prix 1954 | 5 Sept 1954 | Maserati | 10 | Suspension | |
| Swiss Grand Prix 1954 | 22 Aug 1954 | Maserati | 12 | 4 | 3 |
| German Grand Prix 1954 | 1 Aug 1954 | Maserati | 17 | Fuel leak | |
| British Grand Prix 1954 | 17 Jul 1954 | Maserati | 32 | 6 | |
| French Grand Prix 1954 | 4 Jul 1954 | Maserati | 11 | Engine | |
| Belgian Grand Prix 1954 | 20 Jun 1954 | Maserati | 12 | Heat shield fire | |
| Argentine Grand Prix 1954 | 17 Jan 1954 | Maserati | 8 | Oil leak |