- Winner
- Juan Manuel Fangio
- Team
- Maserati
- Top listed
- Juan Manuel Fangio, Jean Behra, and Carlos Menditéguy
- Race date
- January 13, 1957
- Pole
- Stirling Moss
- Fastest lap
- Stirling Moss
- Classified drivers
- 17
- Circuit
- Autódromo Juan y Oscar Gálvez
The decisive result
Juan Manuel Fangio finished first for Maserati. Jean Behra is listed 2 for Maserati, with Carlos Menditéguy 3 for Maserati.
Grid to finish
Jo Bonnier from P13 to P7 (+6), Carlos Menditéguy from P8 to P3 (+5), and Harry Schell from P9 to P4 (+5) recorded the largest positive grid-to-finish changes in the classification. Stirling Moss started from the listed P1 grid position.
Status and fastest lap
The classification lists 5 Finished, 3 +2 laps, 3 Clutch, 1 +1 lap, and 1 +10 laps. Stirling Moss holds the fastest-lap entry at 1:44.700 on lap 75. It records the result without speculating about incidents or strategy.
This summary sticks to the classification and does not speculate about incidents, strategy, weather, or causes. Source: F1DB (CC BY 4.0) · updated Jul 26, 2026.