Major Options / Build: Leather Seats, Standard Suspension Package, Navigation System, Suspension Package, Preferred Package, Chrome Wheels, Trailer Package, Parking Sensors, Heated Seats, Bluetooth, Backup Camera, Remote Start, 5th Wheel

Additional Description: Summit White 2018 GMC Sierra 3500HD SLT 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel 4WD, jet black Leather.Duramax Plus Package,Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SA,Standard Suspension Package,Trailering Equipment,6 Speakers,6-Speaker Audio System,AM/FM radio: SiriusXM,Bose Speaker System,CD player,HD Radio,Premium audio system: GMC Infotainment System,Radio: AM/FM/SiriusXM w/GMC Infotainment & Nav,Radio: AM/FM/SiriusXM w/GMC Infotainment System,Single-Slot CD/MP3 Player,SiriusXM Satellite Radio,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Dual-Zone Automatic Climate Control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,110-Volt AC Power Outlet,Memory seat,Pedal memory,Power driver seat,Power steering,Power Windows,Power windows,Remote Keyless Entry,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Digital Steering Assist,Dual front impact airbags,Emergency communication system: OnStar Guidance,Front anti-roll bar,Front wheel independent suspension,Occupant sensing airbag,Remote Locking Tailgate,Brake assist,Electronic Stability Control,Exterior Parking Camera Rear,Delay-off headlights,Front fog lights,Front Halogen Fog Lamps,Fully automatic headlights,High-Intensity Discharge Headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,150 Amps Alternator,Engine Block Heater,Exhaust Brake,High Idle Switch,Bodyside moldings,Bumpers: chrome,Chrome Bodyside Moldings,Chrome Door Handles,Chrome Power-Adjustable Heated Outside Mirrors,Electronic Shift Transfer Case,EZ-Lift & Lower Tailgate,Front License Plate Kit,Heated door mirrors,LED Cargo Box Lighting,Power door mirrors,Rear step bumper,Spray-On Pickup Box Bed Liner w/GMC Logo,Turn signal indicator mirrors,4.2" Diagonal Color Display Driver Info Center,Adjustable pedals,Auto-Dimming Inside Rear-View Mirror,Auto-dimming Rear-View mirror,Color-Keyed Carpeted 1st & 2nd Row Floor Mats,Color-Keyed Carpeting Floor Covering,Compass,Driver & Front Passenger Visors,Driver door bin,Driver vanity mirror,Front reading lights,Garage door transmitter,GMC 4G LTE,GMC Connected Access,Illuminated entry,Leather-Wrapped Steering Wheel,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Power Adjustable Pedals,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Front 40/20/40 Split Bench Seat,Heated Driver & Front Passenger Seats,Heated front seats,Leather-Appointed Seat Trim,Power passenger seat,Rear 60/40 Folding Bench Seat (Folds Up),Split folding rear seat,Front Center Armrest w/Storage,Passenger door bin,Integrated Trailer Brake Controller (DISC),Deep-Tinted Glass,Power Sliding Rear Window w/Defogger,Variably intermittent wipers,3.73 Rear Axle Ratio,4.10 Rear Axle Ratio