No.Grand PrixCircuitPoleWinner
1Switzerland Bremgarten Juan Manuel Fangio • Alfa Romeo Juan Manuel Fangio • Alfa Romeo
2Indianapolis Indianapolis Duke Nalon • Kurtis Kraft Lee Wallard • Kurtis Kraft
3Belgium Spa-Francorchamps Juan Manuel Fangio • Alfa Romeo Giuseppe Farina • Alfa Romeo
4France Reims Juan Manuel Fangio • Alfa Romeo Luigi Fagioli & Juan Manuel Fangio • Alfa Romeo
5Britain Silverstone Jose-Froilan Gonzalez • Ferrari Jose-Froilan Gonzalez • Ferrari
6Germany Nürburgring Alberto Ascari • Ferrari Alberto Ascari • Ferrari
7Italy Monza Juan Manuel Fangio • Alfa Romeo Alberto Ascari • Ferrari
8Spain Pedralbes Alberto Ascari • Ferrari Juan Manuel Fangio • Alfa Romeo

Engines

4.5 L atmospheric or 1.5 L supercharged.
4.5 L atmospheric or 3.0 L supercharged engines were allowed at Indianapolis 500.

Points System

8-6-4-3-2 points for the top 5 places and 1 point for the fastest lap.
Best 4 results count toward championship.
Points for shared drives are shared equally between the drivers (regardless of how many laps each driver completed).

Read more

This season on Wikipedia.