Formula Libre & Invited RacingGroup N Over 3 LitreGroup N Under 3 LitreGroup S & InvitedMiscMuscle Car Cup Over 2 LitresMuscle Car Cup Over 3 LitresMuscle Car Cup Under 2 LitresRegularity Holden OnlyRegularity Marque Sportscars Invited Group 3Regularity Sedans Group 1Regularity Sports & Racing Cars Group 2