The 2000 Supercheap Auto GT Production Car 3 Hour Showroom Showdown was an endurance race for GT Production Cars The event was staged at the Mount Panorama Circuit, Bathurst, New South Wales, Australia on Saturday 19 November 2000 as a support event on program for the 2000 FAI 1000.
Some V8 Supercar drivers took part in the race such as John Faulkner, Greg Murphy, Steven Richards and Rick Kelly, despite their V8 Supercar commitments in the Bathurst 1000 race. After finishing third in 1998 and second in 1999, the driver pairing of Ed Aitken and John Faulkner won the race, driving a HSV GTS instead of the Porsche 911 RS Clubsport of the previous two races.