| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Oscar Alfredo Gálvez | 6 | Alfa Romeo 308 50017 | 30 | running | ||||
| 2 | 2 | Juan Manuel Fangio | 24 | Automóvil Club Argentino | Maserati 4CLT-48 1599/Maserati | 28 | running | ||
| 3 | Eitel Cantoni | 18 | Maserati 4CL | 27 | running | ||||
| 4 | Adriano Malusardi | 4 | Automóvil Club Argentino | Maserati 4CLT-48 1600/Maserati | 27 | running | |||
| 5 | 4 | Birabongse Bhanudej Bhanubandh | 8 | Chula Chakrabongse | Maserati 4CLT-48 1598/Maserati | 27 | running | ||
| 6 | 3 | Alberto Ascari | 2 | Scuderia Ambrosiana | Maserati 4CLT-48 1593/Maserati | 25 | engine | ||
| 7 | Alfredo Pián | Maserati | 25 | running | |||||
| 8 | Giuseppe Farina | 34 | Scuderia Ferrari | Ferrari 125C 04C | 15 | accident | |||
| 9 | 1 | Luigi Villoresi | 32 | Scuderia Ambrosiana | Maserati 4CLT-48 1594/Maserati | 11 | engine | ||
| 10 | Reg Parnell | 28 | Scuderia Ambrosiana | Maserati 4CLT-48 1596/Maserati | 10 | radiator | |||
| 11 | Benedicto Campos | 20 | Automóvil Club Argentino | Maserati 4CLT-48 1580/Maserati | 0 | did not start | 0 |