The 2025 Supercars Championship (known for commercial reasons as the 2025 Repco Supercars Championship ) is a motor racing series for Supercars .
It is the 27th running of the Supercars Championship and the 29th series in which Supercars have contested the Australian Touring Car Championship , the premier title in Australian motorsport. It is the sixty-sixth season of touring car racing in Australia.
Chevrolet , Will Brown and Triple Eight Race Engineering entered the championship as defending Manufacturers', Drivers' and Teams' Champions respectively.