page_title: 1951 Formula One season
section_title: Teams and drivers
hierarchical_section_title: 1951 Formula One season / Teams and drivers
caption_attribution_description: English: Argentine driver Juan Manuel Fangio.
context_page_description: The 1951 Formula One season was the fifth season of FIA Formula One motor racing. It featured the 1951 World Championship of Drivers, which commenced on 27 May 1951 and ended on 28 October after eight races. The season also included 14 races that were open to Formula One cars but did not count towards the championship standings.
context_section_description: The following teams and drivers competed in the 1951 FIA World Championship of Drivers
  Pietsch was also entered in the No. 80 Maserati. He only participated with the Maserati in practice and qualified and raced in the No. 78 Alfa Romeo.
  Behra secretly replaced the unwell Trintignant for the race of the Italian Grand Prix. Team principal Amédée Gordini did not inform the race organizers about the switch as it would have cut the team's starting fee. Behra even wore his compatriot’s helmet to disguise the switch.
caption: Argentinian Juan Manuel Fangio won the 1951 World Championship of Drivers, driving for Alfa Romeo
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