The 1973 Australian Sports Car Championship was a CAMS sanctioned motor racing title open to Group A Sports Cars and Group D Production Sports Cars. It was the fifth Australian Sports Car Championship. The title was won by South Australian Phil Moore, driving a 2.5 litre Repco V8 - engined Elfin 360.
The championship was contested over a six round series with one race per round.
Car competed in two engine displacement classes:
Championship points were allocated on a 9-6-4-3-2-1 basis to the first six place-getters in each class at each round. Additional points were awarded on a 4-3-2-1 basis to the first four outright place-getters, regardless of class, at each round.
Only the top ten championship positions are shown in the above table.