The 2023 Supercars Championship (known for commercial reasons as the 2023 Repco Supercars Championship) was a motor racing series for Supercars.
It was the twenty-fifth running of the Supercars Championship and the twenty-seventh series in which Supercars have contested the Australian Touring Car Championship, the premier title in Australian motorsport. It was the sixty-fourth season of touring car racing in Australia.
The 2023 season saw the introduction of Gen3, a revision to the sport's technical regulations. These regulations were designed to cut costs for competitors by introducing more standardised components to the cars and redesigning the chassis to favour coupé body shapes.
Brodie Kostecki and Erebus Motorsport secured their first Drivers' and Teams' Champions respectively.[1][2]