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 Details2026 GMC Sierra 2500 AT4 4WD V8 6.6L Diesel - Spartanburg SCFind rugged capability and refined comfort in this 2026 GMC Sierra 2500 AT4, located in Spartanburg, SC. Powered by a stout V8 6.6L diesel, this heavy-duty pickup delivers the torque and towing confidence needed for demanding jobs and serious adventures. The AT4 trim brings purposeful off-road capability with a specially tuned Off-Road Package that includes upgraded suspension, skid plates, and all-terrain tires to tackle trails and rough terrain with assurance.Tech-forward features enhance every drive: Remote Start for convenience on chilly mornings or hot afternoons, Adaptive Cruise Control for relaxed highway travel, and Apple CarPlay for seamless smartphone integration and navigation. Steering Wheel Audio Controls put music and calls at your fingertips so you stay focused on the road.Inside, the cabin blends durable materials with thoughtful amenities for workdays and weekend escapes. The bed and towing preparation support heavy loads, while multiple driver assists promote safety and peace of mind on busy roads. Exterior styling reflects GMC's bold design language with rugged accents and AT4-exclusive cues that stand out in Spartanburg and beyond.Whether you need a hardworking workhorse or an off-road-ready weekend companion, this 2026 GMC Sierra 2500 AT4 4WD with the V8 6.6L diesel gives capable performance, advanced tech, and off-road confidence. Schedule a test drive in Spartanburg, SC, and experience this powerhouse for yourself.PackagesAT4 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. Sterling Metallic. 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.**