Autodromo Nazionale di Monza · 11 September 1955
Juan Manuel Fangio won the 1955 Italian Grand Prix for Mercedes from 1st on the grid, 0.7s ahead of Piero Taruffi.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Mercedes Fangio 8 + Taruffi 6 + Moss 1 + Kling 0 | Fangio 8 + Taruffi 6 + Moss 1 + Kling 0 | 15 | |
| 2 | Maserati Behra 3 + Menditeguy 2 + Mieres 0 + Fitch 0 + Musso 0 + Gould 0 + Collins 0 | Behra 3 + Menditeguy 2 + Mieres 0 + Fitch 0 + Musso 0 + Gould 0 + Collins 0 | 5 | |
| 3 | Ferrari Castellotti 4 + Maglioli 0 + Trintignant 0 + Hawthorn 0 | Castellotti 4 + Maglioli 0 + Trintignant 0 + Hawthorn 0 | 4 | |
| 4 | Gordini Pollet 0 + da Silva Ramos 0 + Lucas 0 | Pollet 0 + da Silva Ramos 0 + Lucas 0 | 0 | |
| 5 | Vanwall Schell 0 + Wharton 0 | Schell 0 + Wharton 0 | 0 | |
| 6 | Lancia Farina 0 + Villoresi 0 | Farina 0 + Villoresi 0 | 0 | |
| 7 | Arzani-Volpini Piotti 0 | Piotti 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Juan Manuel Fangio Mercedes | Mercedes | 2:25:04.400 | 50 | — | 8 | |
| 2 | Piero Taruffi Mercedes | Mercedes | +0.700s | 50 | — | 6 | |
| 3 | Eugenio Castellotti Ferrari | Ferrari | +46.200s | 50 | — | 4 | |
| 4 | Jean Behra Maserati | Maserati | +3:57.500 | 50 | — | 3 | |
| 5 | Carlos Menditeguy Maserati | Maserati | +1 Lap | 49 | — | 2 | |
| 6 | Umberto Maglioli Ferrari | Ferrari | +1 Lap | 49 | — | — | |
| 7 | Roberto Mieres Maserati | Maserati | +2 Laps | 48 | — | — | |
| 8 | Maurice Trintignant Ferrari | Ferrari | +3 Laps | 47 | — | — | |
| 9 | John Fitch Maserati | Maserati | +4 Laps | 46 | — | — | |
| 10 | Mike Hawthorn Ferrari | Ferrari | DNF Gearbox | 38 | — | — | |
| DNF | Karl Kling Mercedes | Mercedes | DNF Gearbox | 32 | — | — | |
| DNF | Luigi Musso Maserati | Maserati | DNF Gearbox | 31 | — | — | |
| DNF | Horace Gould Maserati | Maserati | DNF Suspension | 31 | — | — | |
| DNF | Stirling Moss Mercedes | Mercedes | DNF Engine | 27 | — | 1 | |
| DNF | Jacques Pollet Gordini | Gordini | DNF Engine | 26 | — | — | |
| DNF | Hernando da Silva Ramos Gordini | Gordini | DNF Fuel system | 23 | — | — | |
| DNF | Peter Collins Maserati | Maserati | DNF Suspension | 22 | — | — | |
| DNF | Harry Schell Vanwall | Vanwall | DNF Suspension | 7 | — | — | |
| DNF | Jean Lucas Gordini | Gordini | DNF Engine | 7 | — | — | |
| DNF | Ken Wharton Vanwall | Vanwall | DNF Injection | 0 | — | — | |
| DNS | Nino Farina Lancia | Lancia | DNS Withdrew | 0 | — | — | |
| DNS | Luigi Villoresi Lancia | Lancia | DNS Withdrew | 0 | — | — | |
| DNS | Luigi Piotti Arzani-Volpini | Arzani-Volpini | DNS Withdrew | 0 | — | — |