V8 Supercars

The 1965 ATCC was contested over a single 40-lap race staged at Sandown Raceway in Melbourne, Victoria, Australia on 11 April 1965. It was the sixth Australian Touring Car Championship title to be awarded and the first to be contested by cars complying with Group C regulations.

The 1965 Armstrong 500 was the sixth running of the Bathurst 500 touring car race. It was held on 3 October 1965 at the Mount Panorama Circuit just outside Bathurst, New South Wales, Australia. The race was open to Australian assembled or manufactured vehicles and, for the first time, to imported vehicles, of which at least 100 examples and 250 examples respectively had been registered in Australia. Cars competed in four classes based on the purchase price of the vehicle in Australian pounds. Prize money was on offer only for class placings however the Armstrong Trophy was presented to the entrant of the outright winning car, this being the first time in the history of the event that there had been an official award for the outright winner.

The 1965 International 6 Hour Touring Car Race was a six-hour endurance race for touring cars held at the Sandown Park circuit in Victoria, Australia on 21 November 1965.The race, which was open to cars classified in Group 1 of international Appendix J, was the second in a sequence of races which would evolve into the Sandown 500.