This limited edition of 50 units was exclusively made available to the Holden dealer group of Queensland, for sale at the Brisbane Motor Show in April 1990. DMG stands for “Dealer Marketing Group” who commissioned the model, but they were built by HSV and then sold through Holden (not HSV) dealerships. They are a standalone HSV model, recognised as such, and wear HSV ID. However, they basically a parts-bin special.

DMG 90 was akin to a V6 Clubsport but was based on the Commodore S pack and featured: Alpine White paint; SV 3800 bodykit; VL Calais 15-inch alloys; Commodore SS brakes; FE2 suspension with strengthened Panhard rod and wider front track; strengthened boot; front and rear power windows and power mirrors; air conditioning; power steering with Momo wheel; 3.8-litre V6 engine with extractors and big bore exhaust system.