This article documents the events in motorsport that happened in the 1970s.

United States

• The IMSA GT Series begins in 1971, providing world class racecars.
• The Trans Am Series declines, as the muscle car sees its demise after the Oil Crisis
• The Can Am Series folds by mid decade due to the Oil Crisis and dominance of McLaren and Chevrolet. It is revived in 1977, but folds shortly afterward.
• The Grand National becomes the Winston Cup Series after a purchase from Winston Cigarettes

See also

• 1960s in motorsport
• 1980s in motorsport