In relation to Australian motorsport, Group C refers to either of two sets of regulations devised by the Confederation of Australian Motor Sport (CAMS) for use in Australian Touring Car Racing from 1965 to 1984. These are not to be confused with the FIA’s Group C sports car regulations, used from 1982 to 1992 for the World Endurance Championship / World Sports-Prototype Championship / World Sportscar Championship and the 24 Hours of Le Mans.
The 1986 Australian Endurance Championship was a CAMS sanctioned motor racing title open to Touring Cars as specified in the National Competition Rules of CAMS. The title, which was the sixth Australian Endurance Championship, was contested concurrently with the 1986 Australian Manufacturers' Championship, which was the sixteenth in a sequence of manufacturers championships awarded by CAMS, and the seventh to be contested under the Australian Manufacturers' Championship name.
The 1984 Australian Sports Car Championship was an Australian motor racing title open to Sports Cars complying with CAMS Group A regulations. It was the 16th Australian Sports Car Championship.
The 1983 Australian Endurance Championship of Makes was a CAMS sanctioned national motor racing title open to Group C Touring Cars. The championship was contested over a six round series with all rounds run concurrently with those of the 1983 Australian Endurance Championship.
The 1984 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title for Group C Touring Cars. It was the 25th running of the Australian Touring Car Championship, and the last to be contested by Group C cars as new regulations, based on international Group A, were introduced for 1985. The championship, which began on 18 February 1984 at Sandown Raceway and ended on 1 July at Adelaide International Raceway after seven rounds, was won by Dick Johnson driving a Ford XE Falcon.
The 1985 Australian Touring Car Championship was a CAMS sanctioned motor racing title for drivers of Touring Cars. It was the 26th running of the Australian Touring Car Championship and the first to be contested using regulations based on the FIA's International Group A regulations after having been run under CAMS home grown Group C rules between 1973 and 1984. The championship began on 10 February 1985 at Winton Motor Raceway and ended on 14 July at Oran Park Raceway after ten rounds.
The 1979 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title open to Group C Touring Cars. It began at Symmons Plains and ended at Adelaide International Raceway after eight rounds. The title, which was the 20th Australian Touring Car Championship, was won by Bob Morris driving a Holden Torana.
The 1982 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title open to Group C Touring Cars. It began on 18 February 1982 at Sandown Raceway and ended on 16 May at Oran Park Raceway after eight rounds. The title, which was the 23rd Australian Touring Car Championship, was won by defending champion Dick Johnson, driving a Ford XD Falcon.
The 1983 Australian Touring Car Championship was a CAMS sanctioned motor racing title for drivers of Group C Touring Cars. The title, which was the 24th Australian Touring Car Championship, was contested over a series which began on 6 February 1983 at Calder Park Raceway and ended on 19 June at Lakeside International Raceway after eight rounds.
The 1978 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title open to Group C Touring Cars. The title, which was the 19th Australian Touring Car Championship, was won by Peter Brock. It was his second Australian Touring Car Championship victory.
The 1977 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing championship open to Group C Touring Cars. It was the 18th running of the Australian Touring Car Championship. The championship began at Symmons Plains Raceway on 7 March and ended at the Phillip Island Grand Prix Circuit on 20 November after eleven rounds. 1977 was the second and final time that the series incorporated the longer distance races which made up the Australian Championship of Makes. These races included the Sandown 400 and the Phillip Island 500K, although notably not the Bathurst 1000.
The 1976 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title for Group C Touring Cars. It was the 17th running of the Australian Touring Car Championship. The championship began at Symmons Plains Raceway on 29 February and ended at the Phillip Island Grand Prix Circuit on 28 November in the longest season in the history of the series. 1976 saw a substantial change to the ATCC calendar which was expanded to eleven rounds, incorporating the end-of-season long distance Australian Championship of Makes races for the first time. These races included Sandown's Hang Ten 400 and the Phillip Island 500K, although notably not the Bathurst 1000.
The 1983 Australian Endurance Championship was a CAMS sanctioned motor racing title for drivers of Group C Touring Cars. The championship was contested over a six round series with all rounds run concurrently with those of the 1983 Australian Endurance Championship of Makes.
The 1985 Australian Endurance Championship was a CAMS sanctioned motor racing title for drivers of Touring Cars complying with an Australian version of FIA Group A Touring Car regulations. The championship was the fifth Australian Endurance Championship and the fourth to be awarded as a drivers title.
The 1982 Australian Endurance Championship was a CAMS sanctioned Australian motor racing championship for Group C Touring Cars. It was the second Australian Endurance Championship and the first to incorporate titles for both drivers and makes. The Drivers title was awarded to Allan Moffat and the Makes title to Nissan.
The 1985 Australian Manufacturers' Championship was a CAMS sanctioned motor racing title for car manufacturers. It was the 15th manufacturers title to be awarded by CAMS and the 6th to carry the Australian Manufacturers' Championship name. All championship rounds were open to cars complying with Australian Touring Car regulations, which were based on FIA Group A rules.
The 1981 Australian Endurance Championship was a CAMS sanctioned motor racing title for car manufacturers, contested with Group C Touring Cars. It was the 11th circuit racing manufacturers' championship title to be awarded by CAMS and the first to carry the Australian Endurance Championship name. No driver's title was awarded in connection with this championship.
The 1986 Australian Sports Car Championship was a CAMS sanctioned Australian motor racing title for drivers of Group A Sports Cars. It was the 18th Australian Sports Car Championship.
The 1979 Australian Championship of Makes was a CAMS sanctioned Australian motor racing title open to Group C Touring Cars. It was the ninth manufacturers’ title to be awarded by CAMS and the fourth to carry the Australian Championship of Makes name. The title was awarded to General Motors-Holden.
The 1980 Australian Championship of Makes was a CAMS sanctioned Australian motor racing title open to Touring Cars complying with Group C regulations. It was the tenth manufacturers’ title to be awarded by CAMS and the fifth to carry the Australian Championship of Makes name. The title was awarded to General Motors-Holden.
Gary Scott 
Allan Moffat