GMC Sierra 2500HD SLT 2006

Sunroof, Heated Leather Seats, Tow Hitch, SUNROOF, POWER, TILT-SLIDING, ELECTRIC WITH EXPRESS-OPEN AND WIND DEFLECTOR, 4x4, Turbo, Alloy Wheels, TRANSMISSION, ALLISON 1000 6-SPEED AU... MIRRORS, VERTICAL CAMPER, OUTSIDE REA... AND MORE!KEY FEATURES INCLUDELeather Seats, 4x4, Heated Driver SeatOPTION PACKAGESHEAVY-DUTY POWER PACKAGE includes (LBZ) Engine, Duramax 6600 Turbo Diesel V8, (MW7) Transmission, Allison 1000 6-speed automatic and (G80) Differential, locking, heavy-duty, rear, TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED WITH OVERDRIVE AND ELECTRONIC ENGINE GRADE BRAKING includes tow/haul mode selector and (KNP) Cooling, external transmission oil cooler, SUNROOF, POWER, TILT-SLIDING, ELECTRIC WITH EXPRESS-OPEN AND WIND DEFLECTOR includes (UG1) Universal Home Remote, ONSTAR, ONE-YEAR OF SAFE AND SOUND SERVICE Includes Automatic Notification of Air Bag Deployment, Emergency Services, Stolen Vehicle Location Assistance, Remote Door Unlock, OnStar Vehicle Diagnostics, Roadside As