Season Description The 2025 Supercars Championship (known for commercial reasons as the 2025 Repco Supercars Championship) was a motor racing series for Supercars. It was 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 was the sixty-sixth season of touring car racing in Australia.
Will Brown and Triple Eight Race Engineering entered the championship as defending Drivers' and Teams' Champions respectively.