GP-1948
| Date
|
| Grand Prix
| Location
| Winner
| Team
| Report
|
| January 17-18, 1948
| 
| General Juan Peron
| Palermo Park
| Luigi Villoresi
| Maserati
| Report
|
| January 24, 1948
|
| Mar del Plata
| El Torreon
| Giuseppe Farina
| Maserati
| Report
|
| February 1, 1948
|
| Rosario
| Independence Park
| Jean-Pierre Wimille
| Simca-Gordini
| Report
|
| February 14, 1948
|
| Eva Duarte Peron
| Palermo Park
| Luigi Villoresi
| Maserati
| Report
|
| March 21, 1948
| 
| Interlagos
| Interlagos
| Chico Landi
| Alfa Romeo
| Report
|
| March 28, 1948
|
| Necochea
| Necochea Beach
| Oscar Galvez
| Alfa Romeo
| Report
|
| March 29, 1948
| 
| Pau
| Pau
| Nello Pagani
| Maserati
| Report
|
| April 25, 1948
|
| Rio de Janeiro
| Gavea
| Chico Landi
| Alfa Romeo
| Report
|
| April 29, 1948
| 
| Jersey
| St. Helier
| Bob Gerard
| ERA
| Report
|
| May 2, 1948
| 
| Nations
| Geneva
| Giuseppe Farina
| Maserati
| Report
|
| May 16, 1948
| 
| Monaco
| Monte Carlo
| Giuseppe Farina
| Maserati
| Report
|
| May 25, 1948
| 
| Commonwealth
| Douglas
| Geoffrey Ansell
| ERA
| Report
|
| May 30, 1948
|
| Paris
| Montlhery
| Yves Giraud Cabantous
| Talbot
| Report
|
| May 30, 1948
| 
| Stockholm
| Skarpnack
| Clemente Biondetti
| Ferrari
| Report
|
| June 27, 1948
| 
| San Remo
| Ospedaletti
| Alberto Ascari
| Maserati
| Report
|
| July 4, 1948
| 
| Switzerland
| Bremgarten
| Carlo Felice Trossi
| Alfa Romeo
| Report
|
| July 18, 1948
|
| France
| Reims
| Jean-Pierre Wimille
| Alfa Romeo
| Report
|
| August 1, 1948
|
| Comminges
| St. Gaudens
| Luigi Villoresi
| Maserati
| Report
|
| August 7, 1948
| 
| Zandvoort
| Zandvoort
| Prince Bira
| Maserati
| Report
|
| August 8, 1948
|
| East Switzerland
| Erlen
| Toulo de Graffenried
| Maserati
| Report
|
| August 29, 1948
|
| Albi
| Albi
| Luigi Villoresi
| Maserati
| Report
|
| September 5, 1948
|
| Italy
| Valentino Park
| Jean-Pierre Wimille
| Alfa Romeo
| Report
|
| September 18, 1948
| 
| Goodwood
| Goodwood
| Reg Parnell
| Maserati
| Report
|
| October 2, 1948
|
| Britain
| Silverstone
| Luigi Villoresi
| Maserati
| Report
|
| October 10, 1948
|
| Salon
| Montlhery
| Louis Rosier
| Talbot
| Report
|
| October 17, 1948
|
| Autodrome
| Monza
| Jean-Pierre Wimille
| Alfa Romeo
| Report
|
| October 24, 1948
|
| Garda
| Salo
| Giuseppe Farina
| Ferrari
| Report
|
| October 31, 1948
| 
| Penya Rhin
| Pedralbes
| Luigi Villoresi
| Maserati
| Report
|
