The championship commenced on 23 March 2018 at the Melbourne Grand Prix Circuit and concluded on 14 October at Hampton Downs Motorsport Park.
[4] Points were awarded as follows:[1] The Australian GT Championship was won by Geoff Emery.
[2] Championship standings after five of six rounds were as follows: Bold - Pole positionItalics - Fastest lap The GT4 Division was won by Jeremy Gray[6] driving an Aston Martin Vantage.
Points are awarded as follows:[1] The Australian Endurance Championship was won by Max Twigg and Tony D'Alberto.
[3] Championship standings after two of three rounds were as follows: Bold - Pole positionItalics - Fastest lap