| Circuit | Autodromo Nazionale di Monza |
|---|---|
| Date | 1955-09-11 |
| Round | 7 |
| Pos | Driver | Team | Grid | Laps | Time/Status | Fastest Lap | Pts |
|---|---|---|---|---|---|---|---|
| 1 | Juan Fangio | Mercedes | 1 | 50 | 2:25:04.400 | — | 8 |
| 2 | Piero Taruffi | Mercedes | 9 | 50 | +0.700 | — | 6 |
| 3 | Eugenio Castellotti | Ferrari | 4 | 50 | +46.200 | — | 4 |
| 4 | Jean Behra | Maserati | 6 | 50 | +3:57.500 | — | 3 |
| 5 | Carlos Menditeguy | Maserati | 16 | 49 | +1 Lap | — | 2 |
| 6 | Umberto Maglioli | Ferrari | 12 | 49 | +1 Lap | — | 0 |
| 7 | Roberto Mieres | Maserati | 7 | 48 | +2 Laps | — | 0 |
| 8 | Maurice Trintignant | Ferrari | 15 | 47 | +3 Laps | — | 0 |
| 9 | John Fitch | Maserati | 20 | 46 | +4 Laps | — | 0 |
| 10 | Mike Hawthorn | Ferrari | 14 | 38 | Gearbox | — | 0 |
| 11 | Karl Kling | Mercedes | 3 | 32 | Gearbox | — | 0 |
| 12 | Luigi Musso | Maserati | 10 | 31 | Gearbox | — | 0 |
| 13 | Horace Gould | Maserati | 21 | 31 | Suspension | — | 0 |
| 14 | Stirling Moss | Mercedes | 2 | 27 | Engine | — | 1 |
| 15 | Jacques Pollet | Gordini | 19 | 26 | Engine | — | 0 |
| 16 | Hernando da Silva Ramos | Gordini | 18 | 23 | Fuel system | — | 0 |
| 17 | Peter Collins | Maserati | 11 | 22 | Suspension | — | 0 |
| 18 | Harry Schell | Vanwall | 13 | 7 | Suspension | — | 0 |
| 19 | Jean Lucas | Gordini | 22 | 7 | Engine | — | 0 |
| 20 | Ken Wharton | Vanwall | 17 | 0 | Injection | — | 0 |
| 21 | Nino Farina | Ferrari | 5 | 0 | Withdrew | — | 0 |
| 22 | Luigi Villoresi | Ferrari | 8 | 0 | Withdrew | — | 0 |
| 23 | Luigi Piotti | Arzani-Volpini | 0 | 0 | Withdrew | — | 0 |