Adjustable-Height SuspensionWe don't think adjustable-height suspensions should be limited to kneeling city busses and big trucks. As the Audi Allroad proved, being able to alter your ride-height allows the occasional soft-roader a chance to roll dynamically. This system also works for sports cars, with RENNtech offering a similar system for their highly-tuned Mercedes products. That way Unregular can add a few inches for crossing a river or trim a few for circling the track. Back to Ten Features We Want In Our Next Car.