The 1978 Australian Championship of Makes was a CAMS sanctioned national motor racing title for car manufacturers. The championship was contested over a five-round series.
All rounds were contested by Group C Touring Cars which competed in three classes according to engine capacity.
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 and points could not be aggregated across classes.