The event was hosted by Hall of Fame inductee and esteemed commentator Neil Crompton, with Fox Sports host Jess Yates and the Seven Network's Mark Beretta also on stage.
The launch featured video messages from Supercars CEO Sean Seamer and AC/DC frontman Brian Johnson, with the iconic rock band providing the theme song for the 2021 season.
Cars will hit the track on Friday for opening practice of the Repco Mt Panorama 500. Tickets are on sale now.