The 2026 GT4 Australia Series (commercially titled 2026 Monochrome GT4 Australia Series) is an Australian motorsport competition for GT4 cars. The championship is the third season of a standalone GT4 Australia series, having split from the Australian Production Car Series at the end of 2023, and is the third season of the championship being solely managed by the SRO Motorsports Group. The championship starts at the Phillip Island Grand Prix Circuit on March 27 and will conclude at Sandown Raceway on November 1.
Bold indicates overall winner