Acura unveiled a prototype of ZDX four door coupe at the 2009 New York International Auto Show. The Acura ZDX is 192.4 inches long, 78.5 inches wide and 61.8 inches tall and has a wheelbase of 108.2 inches. The Acura ZDX prototype power comes from a V-6 engine mated to an all-new, smooth shifting 6-speed automatic transmission. The potent powertrain will be coupled with Acura’s exclusive Super Handling All-Wheel DriveTM (SH-AWD) system. The production version of the Acura ZDX prototype goes on-sale in the fall of 2009.