The 1990 Australian Touring Car Championship was a CAMS sanctioned Australian motor racing title open to Group 3A Touring Cars.[1] The championship, which was the 31st Australian Touring Car Championship,[2] was promoted as the Shell Ultra Australian Touring Car Championship.[3] It began on 25 February 1990 at Amaroo Park and ended on 15 July at Oran Park Raceway after eight rounds.[4]
The title was won by Jim Richards, his third Australian Touring Car Championship victory. Richards drove for Nissan Motorsport Australia, utilising both Nissan Skyline HR31 GTS-R and the new Skyline R32 GT-R during one of the most competitive seasons in the history of the championship.