Group D Production Sports Cars was a CAMS motor racing category current in Australia from 1972 to 1981.
The Group D category catered for series-production type automobiles, other than those eligible to compete as Touring Cars, which were: Bodywork could be of an open or closed type and was required to provide adequate accommodation for a minimum of two persons.
[1] The original design of the cylinder-block, cylinder-head, transmission and suspension had to be retained and forced induction was permitted only if fitted as standard by the manufacturer.
[1] A 5000cc engine capacity limit which was applied at the time of the introduction of the category[2] was later raised to 6000cc.
[6] In 1976, Group D became the sole category to contest the Australian Sports Car Championship, a situation which applied through to 1981.