V Gran Premio Reale di Roma
No qualifying session
Race Result
Race Result
Did Not Start
| # | Driver | Entrant / Team | Chassis | |
|---|---|---|---|---|
| 30 | 
Domenico Gamboni | Maserati 26 | ||
| 36 | 
W.Williams | Automobiles Ettore Bugatti | Bugatti T35C | |
| 42 |
Diego de Sterlich | Officine Alfieri Maserati | Maserati 26B | |
| 46 |
Rainieri Tirassa | Maserati 26 |