The 1948 Grand Prix season was the third post-war year for Grand Prix racing. It was the second season of the FIA's Formula One motor racing, though some of that season's Grand Prix still used other formulas. There was no organised championship in 1948, although several of the more prestigious races were recognised as Grandes Épreuves (great trials) by the FIA.[1] Luigi Villoresi proved to be the most successful driver, for the second consecutive year, winning six Grands Prix. Maserati's cars proved difficult to beat, winning 13 of the season's 23 Grands Prix.
| Date | Name | Circuit | Pole position | Fastest lap | Winning driver | Winning constructor | Report | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nowrap | 16 May | nowrap |  Monaco Grand Prix | nowrap | Monaco | nowrap |  Giuseppe Farina | nowrap | Giuseppe Farina | nowrap | Giuseppe Farina | nowrap | Maserati | Report | |
| nowrap | 4 July | nowrap |  Swiss Grand Prix | nowrap | Bremgarten | nowrap |  Jean-Pierre Wimille | nowrap | Jean-Pierre Wimille | nowrap | Carlo Felice Trossi | nowrap | Alfa Romeo | Report | |
| nowrap | 18 July | nowrap | French Grand Prix | nowrap | Reims-Gueux | nowrap | Jean-Pierre Wimille | nowrap | Jean-Pierre Wimille | nowrap | Jean-Pierre Wimille | nowrap | Alfa Romeo | Report | |
| nowrap | 5 September | nowrap | Italian Grand Prix | nowrap | Torino | nowrap | Jean-Pierre Wimille | nowrap | Jean-Pierre Wimille | nowrap | Jean-Pierre Wimille | nowrap | Alfa Romeo | Report |
| Wins | |||
| Total | GrandesÉpreuves | ||
|---|---|---|---|
| Luigi Villoresi | 6 | 0 | |
| Jean-Pierre Wimille | 3 | 2 | |
| Giuseppe Farina | 3 | 1 | |
| B. Bira | 2 | 0 | |
| Carlo Felice Trossi | 1 | 1 | |
| Nello Pagani | 1 | 0 | |
| Bob Gerard | 1 | 0 | |
| Geoff Ansell | 1 | 0 | |
| Yves Giraud-Cabantous | 1 | 0 | |
| Alberto Ascari | 1 | 0 | |
| Toulo de Graffenried | 1 | 0 | |
| Reg Parnell | 1 | 0 | |
| Louis Rosier | 1 | 0 |
| Wins | |||
| Total | GrandesÉpreuves | ||
|---|---|---|---|
| Maserati | 13 | 1 | |
| Alfa Romeo | 4 | 3 | |
| ERA | 2 | 0 | |
| Talbot-Lago-Talbot | 2 | 0 | |
| Simca-Gordini | 1 | 0 | |
| Ferrari | 1 | 0 |
II Jersey Road Race
