2023 GMC Sierra 1500 AT4

The 2023 GMC Sierra 1500 AT4 in Onyx Black combines off-road capability with premium refinement, powered by the robust EcoTec3 6.2L V8 paired to a 10-speed automatic transmission for commanding performance. Its 4WD system delivers confidence on rugged terrain while maintaining everyday drivability. The AT4 Preferred Equipment Group and AT4 Preferred Package add advanced comfort, convenience, and trail-ready features, while the Tech Package enhances the driving experience with cutting-edge technology and driver-assist innovations. With its bold design, premium interior, and proven strength, this Sierra 1500 AT4 is ready for both adventure and daily use.


Clean CARFAX.

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 1500 AT4, 4D Crew Cab, EcoTec3 6.2L V8, 10-Speed Automatic, 4WD, Onyx Black, Jet Black w/Kalahari Accents w/Perforated Front Leather Seat Trim, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, 3.23 Rear Axle Ratio, Adaptive Cruise Control, Alloy wheels, AT4 Preferred Package, Auto-Locking Rear Differential, Bed View Camera, Black Chrome Header & Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Steering Column Lock, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rainsensing Wipers, GMC Connected Access Capable, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Multicolor 15" Diagonal Head-Up Display, Navigation System, OnStar & GMC Connected Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rake & Telescoping Steering Column, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Camera Mirror, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM w/360L, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Technology Package, Theft Deterrent System (Unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trailering Package, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wi-Fi Hotspot Capable, Wireless Charging, Wireless Phone Projection.