2011 GMC Sierra Spotted Camo-Free, Maybe Getting 7.0-liter Gas Engine

This 2011 GMC Sierra 3500's been spotted completely without camouflage, sporting a Terrain-inspired grille and using the 6.6-liter Duramax diesel to tow a trailer. Supposedly a 7.0-liter direct-injection gasoline V8's in the works. Just toss the 8.1-liter in guys. [PickupTrucks.com]