2023 GMC Sierra 3500HD AT4

The 2023 GMC Sierra 3500HD AT4 4WD in Pacific Blue Metallic is a heavy-duty, off-road-capable truck powered by the renowned 6.6L Duramax V8 Turbodiesel engine paired with a 10-speed Allison automatic transmission, delivering robust towing and hauling performance. Equipped with the Preferred Equipment Group 4SB, this Sierra features premium interior appointments, heated and ventilated front seats, a heated steering wheel, and advanced trailering technology. The AT4 X31 Off Road Package adds off-road-tuned suspension, skid plates, and an exclusive black chrome exterior finish for rugged style and capability. With its bold stance, advanced safety tech, and upscale amenities, this Sierra 3500HD AT4 blends durability with refinement.


Clean CARFAX. CARFAX One-Owner.

Visit us at ClearShift.com for more details! Or call us at (720) 390-7910 for our Highlands Ranch location or (970) 251-1063 for our Loveland location. This vehicle is guaranteed to include one key. Additional keys are neither guaranteed nor promised. ALL SALES FINAL: The equipment listed above and below is the configuration of the vehicle as originally sold. ClearShift makes every effort to provide accurate information, however, some features listed may vary due to features being added, changed or removed during previous ownership. It is the buyer's responsibility to verify all desired features and equipment are present prior to purchase.


Sierra 3500HD AT4, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Pacific Blue Metallic, Jet Black With Kalahari Accents Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 3.42 Rear Axle Ratio, 4.2" Diagonal Color Display Driver Info Center, Bed View Camera w/2 Trailer Camera Provisions, Compass Located In Instrument Cluster, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, GMC Connected Access Capable, Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, HD Rear Vision Camera, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Painted Blk Surround Grille w/High Gloss Blk Mesh, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Preferred Equipment Group 4SB, Prem Front Floor Liners w/Removable Carpet Insert, Prem Rear Floor Liners w/Removable Carpet Insert, ProGrade Trailering System, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, Ventilated Driver & Front Passenger Seats, Wi-Fi Hotspot Capable, Wireless Phone Projection.