| Type: | GP |
| Grand Prix: | Monza |
| Date: | 17 October |
| Year: | 1948 |
| Official Name: | I Gran Premio dell'Autodromo di Monza |
| Country: | Italy |
| Location: | Autodromo Nazionale di Monza, Monza, Italy |
| Course: | Permanent racing facility |
| Course Length: | 6.3km (03.9miles) |
| Distance Laps: | 80 |
| Distance Length: | 503.98km (313.16miles) |
| Pole Driver: | Jean-Pierre Wimille |
| Pole Team: | Alfa Romeo |
| Pole Country: | FRA |
| Pole Time: | 1:59.6 |
| Fast Driver: | Consalvo Sanesi |
| Fast Team: | Alfa Romeo |
| Fast Time: | 2:00.4 |
| Fast Country: | ITA |
| First Driver: | Jean-Pierre Wimille |
| First Team: | Alfa Romeo |
| First Country: | FRA |
| Second Driver: | Carlo Felice Trossi |
| Second Team: | Alfa Romeo |
| Second Country: | ITA |
| Third Driver: | Consalvo Sanesi |
| Third Team: | Alfa Romeo |
| Third Country: | ITA |
The I Gran Premio dell'Autodromo di Monza was a motor race for Formula One cars held at Monza on 17 October 1948. Alfa Romeo dominated the event, the latest development of the 158 taking the first three places with Jean-Pierre Wimille winning from pole position. Carlo Felice Trossi and Consalvo Sanesi were second and third, Sanesi having set fastest lap. Piero Taruffi completed the rout in one of the older 158s.[1] [2] [3]
