2021 Supercars ChampionshipDrivers' Champion:Shane van GisbergenTeams' Champion:Triple Eight Race EngineeringManufacturers' Championship:HoldenPrevious2020Next2022Support series:Super2 Series The 2021 Supercars Championship (commercially known as the 2021 Repco Supercars Championship) was a motor racing series for Supercars. It was the twenty-third running of the Supercars Championship and the twenty-fifth series in which Supercars have contested the Australian Touring Car Championship, the premier title in Australian motorsport. Atlanta-based international auto parts conglomerate Genuine Parts Company, through the consumer auto parts brand Repco, replaced Virgin Australia as naming rights sponsor under a five-year partnership, which was later expanded to eight years at the end of the 2022