Recent Arrival! Summit White 2007 GMC Sierra 2500HD Classic SLE1 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD, 16" x 6.5" Chrome-Styled Steel Wheels, 16" x 6.5" Polished Forged Aluminum Wheels, 4-Wheel Disc Brakes, 40/20/40 Front Split-Bench Seat, 6 Speaker Audio System Feature, 6 Speakers, 6-Way Power Driver Seat Adjuster, ABS brakes, Air Conditioning, AM/FM radio, AM/FM Stereo w/CD Player, Auto-Dimming Inside Rear-View Mirror, Auto-dimming Rear-View mirror, Black Leather-Wrapped Steering Wheel, Bodyside moldings, Bright Bodyside Moldings, Bumpers: chrome, CD player, Chrome Grille Surround, Color-Keyed Carpeted Floor Covering, Compass, Custom Cloth Seat Trim, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual Heavy-Duty 770 CCA Batteries, Electric Rear-Window Defogger, Electronic Cruise Control w/Set & Resume Speed, Electronic Shift Transfer Case, Engine Block Heater, External Engine Oil Cooler, External Transmission Oil Cooler, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front Halogen Fog Lamps, Front License Plate Bracket, Front reading lights, Front wheel independent suspension, Fully automatic headlights, HD Handling/Trailering Suspension Package, Heated door mirrors, Heated Power-Adjustable Black Outside Mirrors, Heated Vertical Camper Outside Mirrors, Heavy-Duty Power Package, Heavy-Duty Rear Automatic Locking Differential, Heavy-Duty Trailering Equipment, Illuminated entry, Leather steering wheel, OnStar 1-Year Safe & Sound Plan, OnStar Plus Package, Outside temperature display, Overhead console, Overhead Mini Console w/Map Lights, Panic alarm, Passenger door bin, Passenger vanity mirror, Power Door Locks, Power door mirrors, Power steering, Power windows, Power Windows w/Driver & Front Passenger Express-Down, Radio data system, Rear Chrome Step-Style Bumper w/Pad, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Remote Keyless Entry w/2 Transmitters, Security system, Skid Plate Package, SLE1 Decor, Solar-Ray Deep-Tinted Glass, Speed control, Split folding rear seat, Steering Wheel Mounted Audio Controls, Tachometer, Tilt steering wheel, Trailering Hitch Platform, Variably intermittent wipers, Voltmeter, XM Satellite Radio, Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD.