The GMC Denali XT Hybrid concept truck made it's debut at the 2008 Chicago Auto Show. GM's two-mode hybrid system is combined with an E85 ethanol-capable engine to give this truck an estimated horsepower of 326. The Denali XT Hybrid's design includes a new-look grill, minimal overhang, 23-inch wheels, sleek headlamps, and a low roof profile.
