The series is promoted by the SRO Motorsports Group, who are the global owner of the category, and also promote the GT World Challenge Australia for SRO GT3 cars.
[1] In 2024, the series ran as part of the SpeedSeries events promoted by Motorsport Australia.
Like other series run by SRO, GT4 Australia awards multiple cups.
Eligibility for the various cups is determined by the previous experience, age, and results achieved by the drivers.
[citation needed] Professional racing drivers with results in high-profile series (such as the Supercars Championship will have FIA Gold or FIA Platinum categorisation, and are only eligible to compete as part of the Pro-Am Cup, paired with a Bronze category driver.