 Compared to the short-wheelbase Holden HQ models, the Statesman featured a wheelbase extended by , totalling , in common with the HQ range of Holden station wagons.The extra length was incorporated behind the rear doors to allow for additional rear seat legroom.The Statesman was intended as a rival for Ford Australia's successful Fairlane which had debuted in Australian-designed form as the ZA series in March 1967.