The 2023 Fanatec GT World Challenge Australia Powered by AWS is an Australian motor sport competition for GT cars. The series incorporates the "Motorsport Australia GT Championship", the "Motorsport Australia Endurance Championship", the "GT3 Trophy Series" and the "GT4 Cup". The Motorsport Australia GT Championship is the 27th running of an Australian GT Championship. This is the third season of the championship being jointly managed by Australian Racing Group (ARG) and SRO Motorsports Group.