The first of two 1948 Buenos Aires Grand Prix (official name: II Gran Premio del General Juan Perón y de la Ciudad de Buenos Aires) was a Grand Prix motor race held at the Palermo street circuit in Buenos Aires on January 17–18, 1948.

Classification Pos Driver Constructor Laps Time/Retired 1 Luigi Villoresi Maserati 4CL 25 1:11:46.6 2 Chico Landi Alfa Romeo 308 25 1:12:24.6 3 Andres Fernández Maserati 6CM 24 1:13:31.3 4 Arialdo Ruggeri Maserati 4CL 24 1:14:15.1 5 Victorio Rosa Maserati 6CM 23 1:14:55.3 6 Raph Maserati 4CL 21 1:14:20.3 Ret Óscar Alfredo Gálvez Alfa Romeo 308 7 DNF Ret Juan Manuel Fangio Maserati 4CL 4 DNF Ret Italo Bizio Alfa Romeo 2900 A 3 DNF Ret Nino Farina Maserati 8CL 3 DNF Ret Achille Varzi Alfa Romeo 12C-37 2 DNF Ret Enrico Platé Maserati 4CL 2 DNF Ret Pascual Puopolo Maserati 8CL DNS Ret Jean-Pierre Wimille Alfa Romeo 8C-308 DNS Ret Eitel Cantoni Maserati 4CM DNS Ret Gabriele Besana Ferrari 166 SC DNS

References