1985 Australian Manufacturers' Championship

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.

Calendar
The championship was contested concurrently with the 1985 Australian Endurance Championship over a five-round series with one race per round.
 * Round 1, Better Brakes 300, Amaroo Park, New South Wales, 4 August
 * Round 2, Pepsi 250, Oran Park, New South Wales, 18 August
 * Round 3, Castrol 500, Sandown, Victoria, 15 September
 * Round 4, James Hardie 1000, Mount Panorama Circuit, Bathurst, New South Wales, 6 October
 * Round 5, Motorcraft 300, Surfers Paradise, Queensland, 27 October

Class Structure
Cars were grouped into three engine classes based on engine capacity:
 * Up to 2000cc
 * 2001 to 3000cc
 * 3001 to 6000cc

Points system
Championship points were awarded on a multi scale system for outright places gained at each round: Points were awarded only for the highest scoring car from each manufacturer at each round.
 * Scale A was applied to cars in the Up to 2000cc class
 * Scale B was applied to cars in the 2001 to 3000cc class
 * Scale C was applied to cars in the 3001 to 6000cc class

Results
Note: Only the top ten championship placing are shown in the above table.