The Audi development engineers shortened the wheelbase by 150 millimeters (5.91 in) and lowered the roofline by around 40 millimeters (1.57 in) compared to the four - seat coupé on which it is based. (ausmotive.com)
This has the virtual effect of shortening the wheelbase. (porsche.com)
Up to a speed of 62mph the rear wheels are turned in the opposite direction to the front wheels, virtually shortening the wheelbase. (evo.co.uk)