| Race details | |||
|---|---|---|---|
| Date | February 8–9 1947 | ||
| Official name | I Gran Premio del General Juan Perón | ||
| Location | Retiro, Buenos Aires, Argentina | ||
| Course | Public streets | ||
| Course length | 2.410 km (1.497 mi) | ||
| Distance | 50 laps, 120.5 km (74.87 mi) | ||
| Fastest lap | |||
| Driver |
|
Maserati 4CL | |
| Time | 1m 06s 131.45 km/h (81.68 mp/h) | ||
| Podium | |||
| First | Maserati 4CL | ||
| Second | Alfa Romeo 308 | ||
| Third | Alfa Romeo 308 | ||
The first of two 1947 Buenos Aires Grand Prix (official name: I Gran Premio del General Juan Perón, also known as the I Gran Premio Ciudad de Buenos Aires) was a Grand Prix motor race held at the Retiro street circuit in Buenos Aires on February 8–9, 1947. The scheduled competitions opened on February 8 with two preliminary rounds of the Mecánica Argentina - Fuerza Limitada and Mecánica Argentina - Fuerza Libre classes for a combined final which determined the qualification for the February 9, Formula Libre main event.