Onyx Black 2015 GMC Sierra 3500HD Denali Duramax 6.6L V8 Turbodiesel 4WD Allison 1000 6-Speed Automatic, 4WD, Jet Black Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 220 Amp Alternator, 8" Enhanced Driver Instrument Information Display, Auto-Dimming Inside Rear-View Mirror, Bose Speaker System, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Power-Adjustable Heated Outside Mirrors, Color-Keyed Carpeted 1st & 2nd Row Floor Mats, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Driver & Front Passenger Visors, Driver Alert Package, Dual-Zone Automatic Climate Control, Duramax Plus Package, Electric Rear-Window Defogger, Electronic Shift Transfer Case, EZ-Lift & Lower Tailgate, Front Body-Color Bumper, Front Frame-Mounted Black Recovery Hooks, Front Halogen Fog Lamps, Heated & Cooled Driver & Front Passenger Seats, Heavy Duty Front Springs, Leather Wrapped Heated Steering Wheel, Manual Tilt-Wheel/Telescoping Steering Column, OnStar 6 Months Directions/Connections, OnStar w/4G LTE, Power Adjustable Pedals, Power Sliding Rear Window, Power Sliding Rear Window Delete, Power Windows, Preferred Equipment Group 5SA, Provision for Cab Roof-Mounted Lamp/Beacon, Rear 60/40 Folding Bench Seat (Folds Up), Rear Body-Color Bumper w/Bumper CornerSteps, Rear Vision Camera w/Dynamic Guide Lines, Remote Keyless Entry, Remote Vehicle Starter System, Single-Slot CD/MP3 Player, Snow Plow Prep Package, Standard Suspension Package, Steering Wheel Audio Controls, Trailering Equipment, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote. Odometer is 83752 miles below market average!