 The car is a concept only; it formed part of the extensive Holden display at the Sydney International Motor Show from October 18 to October 27, 2002.The SSX is powered by a Generation III/Holden 5.7 L V8 engine generating through all four wheels.This is done though Holden's "crossXtrac" all-wheel drive system, also featured on the Holden Crewman ute, Adventra wagon, HSV Avalanche and HSV Coupé 4.