The 2017 season saw the category undergo a substantial revision of its technical regulations, with the introduction of Gen 2 Supercar rules which opened the championship up to a wider range of body shapes and engine configurations.
Jamie Whincup claimed his seventh title in controversial circumstances when Scott McLaughlin was penalized in the title-deciding race.
Two-door coupé body styles are permitted alongside four-door sedans, while the engine regulations were opened up to include turbocharged four or six-cylinder engines.
The chassis and control components carried over from the New Generation V8 Supercar regulations used since 2013.
[73] All teams attended a test session on 21 February 2017 at Sydney Motorsport Park to evaluate the new tyre.