SummaryStraight Forward Pricing ** Serving Spartanburg, Greenville, Woodruff, Landrum, Boiling Springs, Inman, Saluda, Gaffney, Blacksburg, Taylors, Simpsonville, Greer, Clemson, Hendersonville, Asheville, Anderson, Brevard, Tryon, Cowpens, Forest City, Shelby, Kings Mountain, Rock Hill and surrounding areas for over 80 Years!Vehicle DetailsDiscover the capability and refinement of this 2026 GMC Sierra 2500 AT4, located in Spartanburg, SC. Built for serious work and confident towing, this heavy-duty truck pairs a robust V8 6.6L Duramax diesel with four-wheel drive to handle tough jobs and challenging terrain. The AT4 trim adds purposeful off-road-ready styling and suspension, while premium interior details deliver comfort and functionality for long days on the road.Inside, rich leather seats provide supportive comfort, and driver-focused features make every drive more enjoyable. Connectivity is seamless with Android Auto and XM Radio, keeping navigation, calls, and entertainment within easy reach. A BOSE premium stereo system elevates audio quality, and steering wheel audio controls offer convenient, safe access to media and phone functions without taking your hands off the wheel.Safety and utility are paired with smart design-this GMC Sierra 2502 AT4 is equipped to haul heavy loads, tow trailers with confidence, and adapt to varying road conditions thanks to its rugged 4WD system. Whether you use it for jobsite duty, weekend adventures, or towing recreational gear, this GMC Sierra balances power, comfort, and technology in a refined package.Visit our Spartanburg, SC location to experience the commanding presence and sophisticated features of this 2026 GMC Sierra 2500 AT4 in person. Schedule a test drive today.PackagesMax Trailering Package: 11. 750 lbs (5. 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package. AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step; Technology Package. Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Technology Package. Off-Road High Clearance Step. Power Sunroof. Body Color Wheel Arch Moldings. Gooseneck/5th Wheel Prep Package. Coastal Dune. 3 Years SiriusXM. LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**