1975 Formula One season

The 1975 Formula One season was the 26th season of FIA Formula One motor racing. It featured the 1975 World Championship of F1 Drivers and the 1975 International Cup for F1 Manufacturers which were contested concurrently from 12 January to 5 October over fourteen races. The season also included three non-championship Formula One races and a nine race South African Formula One Championship.

After a strong finish to the 1974 season, many observers felt the Brabham team were favourites to win the 1975 title. The year started well, with an emotional first win for Carlos Pace at the Interlagos circuit in his native São Paulo. However, over the season tyre wear frequently slowed the cars, and the initial promise was not maintained.

Niki Lauda often refers to 1975 as "the unbelievable year". In his second year with Ferrari, the team provided him with the Ferrari 312T—a car that was technically far superior to any of the competition. He won his first world title with five wins and a huge margin over second place in the championship.

American Mark Donohue died in August, two days after a practice run crash for the Austrian Grand Prix. After the season in late November, an Embassy Hill airplane crashed in England and all six aboard were killed, including team owner Graham Hill and driver Tony Brise.

The following drivers and constructors and contested the 1975 World Championship of F1 Drivers and the 1975 International Cup for F1 Manufacturers.

The drivers went to Argentina to start the season, and it was Jean-Pierre Jarier in the Shadow who took pole position with the Brabhams of Carlos Pace and Carlos Reutemann second and third on the grid. However, poleman Jarier could not even start the race because his transmission failed on the parade lap. Home hero Reutemann took the led from teammate Pace, with Niki Lauda's Ferrari third.

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