Summit White 2015 GMC Sierra 3500HD SLT 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, 4WD, Jet Black/Dark Ash Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 4-Wheel Disc Brakes, 4.2 Diagonal Color Display Driver Info Center, Auto-Dimming Inside Rear-View Mirror, Automatic temperature control, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Power-Adjustable Heated Outside Mirrors, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Driver & Front Passenger Visors, Dual-Zone Automatic Climate Control, Duramax Plus Package, Electric Rear-Window Defogger, Electronic Shift Transfer Case, EZ-Lift & Lower Tailgate, Front Halogen Fog Lamps, Halogen Projector Headlamps w/LED Signature, Leather-Wrapped Steering Wheel, LED Cargo Box Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar 6 Months Directions/Connections, OnStar w/4G LTE, Power Adjustable Pedals, Power Windows, Preferred Equipment Group 4SA, Radio: AM/FM Stereo w/8 Diagonal Color Touch Nav., Rear 60/40 Folding Bench Seat (Folds Up), Rear Vision Camera w/Dynamic Guide Lines, Remote Keyless Entry, Remote Vehicle Starter System, Single-Slot CD/MP3 Player, SiriusXM Satellite Radio, Standard Suspension Package, Steering Wheel Audio Controls, Trailering Equipment, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote. Recent Arrival! Awards: * 2015 KBB.com Brand Image Awards.