The 1978 Australian Championship of Makes was a CAMS sanctioned national motor racing title for car manufacturers.^[1] The championship was contested over a five-round series.^[2]

• Round 1, ABE Copiers 250, Oran Park, New South Wales, 30 July
• Round 2, Hang Ten 400, Sandown, Victoria, 10 September
• Round 3, Rothmans 250, Adelaide International Raceway, South Australia, 22 October
• Round 4, Rothmans 300, Surfers Paradise, Queensland, 5 November
• Round 5, McEwan Spanners Twin 250, Calder, Victoria, 2 & 3 December

All rounds were contested by Group C Touring Cars^[1] which competed in three classes according to engine capacity.^[3]

• Up to 2000cc
• 2001 to 3000cc
• 3001 to 6000cc

Championship points were awarded at each round on a 9-6-4-3-2-1 basis for the first six places in each class. Only the best placed car from each manufacturer in each class was eligible to score points^[1] and points could not be aggregated across classes.^[4]