Classification
| Pos | No | Driver | Team | Car | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 26 | Giuseppe Campari | Alfa Corse | Alfa Romeo 8C 2300 | 155 | 10:00:0.7 | 1 | 1 |
| Tazio Nuvolari | n/a | |||||||
| 2 | 30 | Ferdinando Minoia | Alfa Corse | Alfa Romeo 8C 2300 | 153 | +2 Laps | 6 | 2 |
| Baconin Borzacchini | n/a | |||||||
| 3 | 14 | Albert Divo | Bugatti | Bugatti Type 51 | 152 | +3 Laps | 7 | 3 |
| Guy Bouriat | 3 | |||||||
| 4 | 18 | Jean-Pierre Wimille | Private entry | Bugatti Type 37A | 138 | +17 Laps | 2 | 4 |
| Jean Gaupillat | 4 | |||||||
| 5 | 22 | Boris Ivanowski | Private entry | Mercedes-Benz SSKL | 134 | +21 Laps | 4 | 4 |
| Henri Stoffel | 4 | |||||||
| 6 | 32 | Francesco Pirola | Alfa Corse | Alfa Romeo 6C 1500 | 129 | +26 Laps | 13 | 4 |
| Giovanni Lurani | 4 | |||||||
| 7 | 38 | Amedeo Ruggeri | Private entry | Talbot 700 | 120 | +35 Laps | 10 | 4 |
| Renato Balestrero | 4 | |||||||
| 8 | 8 | Umberto Klinger | Maserati | Maserati 26M | 111 | +45 Laps | 14 | 5 |
| Pietro Ghersi | 5 | |||||||
| Ret | 40 | Roberto di Vecchio | Private entry | Talbot 700 | 87 | +68 Laps | 8 | 5 |
| Gerolamo Ferrari | 5 | |||||||
| 9 | 20 | Robert Sénéchal | Delage | Delage 15SB | 81 | +74 Laps | 3 | 5 |
| Ret | 16 | Marcel Lehoux | Bugatti | Bugatti Type 51 | 49 | Con-rod | 5 | 6 |
| Philippe Étancelin | 6 | |||||||
| Ret | 12 | Achille Varzi | Bugatti | Bugatti Type 51 | 44 | Differential | 11 | 6 |
| Louis Chiron | 6 | |||||||
| Ret | 28 | Tazio Nuvolari | Alfa Corse | Alfa Romeo 8C 2300 | 33 | Mechanical | 9 | 7 |
| Baconin Borzacchini | 7 | |||||||
| Ret | 50 | Alfredo Caniato | Private entry | Alfa Romeo 6C 1750 | 15 | 12 | 7 | |
| "Tortini" | 7 | |||||||
| DNS | 24 | Luigi Arcangeli | Alfa Corse | Alfa Romeo 3500 bimotore tipo A | Fatal accident in practice | 8 |
| Grand Prix Race | ||
|---|---|---|
| Previous race: 1930 French Grand Prix |
1931 Grand Prix season |
Next race: 1931 French Grand Prix |
| Previous race: 1928 Italian Grand Prix |
Italian Grand Prix | Next race: 1932 Italian Grand Prix |
Read more about this topic: 1931 Italian Grand Prix