CARFAX One-Owner. Odometer is 59575 miles below market average!Summit White 2018 GMC Sierra 2500HD SLT HD Trailering Pkg 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselSierra 2500HD SLT HD Trailering Pkg, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD, 110-Volt AC Power Outlet, 4.2 Diagonal Color Display Driver Info Center, Auto-Dimming Inside Rear-View Mirror, Bluetooth® For Phone, Bose 6 Speaker Sound System, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Mirror Caps, Chrome Power-Adjustable Heated Outside Mirrors, Color-Keyed Carpeted Floor Mats, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Digital Steering Assist, Driver & Front Passenger Vanity Mirror Visors, Driver Alert Package, Dual-Zone Automatic Climate Control, Duramax Plus Package, Electric Rear-Window Defogger, Electronic Shift Transfer Case, EZ-Lift & Lower Tailgate, Forward Collision Alert, Front Halogen Fog Lamps, GMC 4G LTE, GMC Connected Access, Gooseneck/5th Wheel Prep Package, HD Radio, Heated Power-Adjustable Outside Mirrors, Heavy-Duty Handling/Trailering Suspension Package, Hill Descent Control, Lane Departure Warning System, Leather-Wrapped Steering Wheel, LED Cargo Box Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Off-Road Package, OnStar & GMC Connected Services Capable, Power Windows w/Driver Express Up & Down, Power-Adjustable Pedals For Accelerator & Brake, Preferred Equipment Group 4SA, Radio: AM/FM/SiriusXM/HD w/Navigation, Rear 60/40 Folding Bench Seat (Folds Up), Rear Wheelhouse Liners, Remote Keyless Entry, Remote Locking Tailgate, Remote Vehicle Starter System, Single Slot CD/MP3 Player, SiriusXM Satellite Radio, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailer Brake Controller, Trailering Equipment, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Z71 Badging.Special financing available.This Sierra 2500HD is well equipped with Driver Alert Package (Forward Collision Alert and Lane Departure Warning System), Duramax Plus Package (Bluetooth® For Phone, Bose 6 Speaker Sound System, Chrome Power-Adjustable Heated Outside Mirrors, Radio: AM/FM/SiriusXM/HD w/Navigation, and Ultrasonic Front & Rear Park Assist), Gooseneck/5th Wheel Prep Package, Heavy-Duty Handling/Trailering Suspension Package, Off-Road Package (Hill Descent Control and Z71 Badging), Preferred Equipment Group 4SA (110-Volt AC Power Outlet, 4.2 Diagonal Color Display Driver Info Center, Auto-Dimming Inside Rear-View Mirror, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Mirror Caps, Color-Keyed Carpeted Floor Mats, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Digital Steering Assist, Driver & Front Passenger Vanity Mirror Visors, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Shift Transfer Case, EZ-Lift & Lower Tailgate, Front Halogen Fog Lamps, GMC 4G LTE, GMC Connected Access, HD Radio, Heated Power-Adjustable Outside Mirrors, Leather-Wrapped Steering Wheel, LED Cargo Box Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Windows w/Driver Express Up & Down, Power-Adjustable Pedals For Accelerator & Brake, Rear 60/40 Folding Bench Seat (Folds Up), Rear Wheelhouse Liners, Remote Keyless Entry, Remote Locking Tailgate, Remote Vehicle Starter System, Single Slot CD/MP3 Player, SiriusXM Satellite Radio, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), and Universal Home Remote), Trailering Equipment (Trailer Brake Controller), Sierra 2500HD SLT HD Trailering Pkg, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD, 18 Chromed Aluminum Wheels, 4-Wheel Disc Brakes, 6 Speakers, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Assist Steps Not Desired or Alternate Step Desired, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Au