Pre-Owned 2026 GMC Sierra 2500HD AT4X For Sale Charleston, SC

This 2026 GMC Sierra 2500HD AT4X in white represents serious capability paired with refined comfort for those who demand both work-ready performance and premium daily driving experience.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness- 220-Amp Alternator and Engine Block Heater for reliable cold-weather operation- Multicolor 15" Diagonal Head-Up Display for enhanced visibility and safety awareness- Premium GMC Infotainment System with AM/FM radio and SiriusXM with 360L- Bose Premium Series 12-Speaker System with Apple CarPlay and Android Auto- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- 16-Way Power Driver and Passenger Seat Adjusters with lumbar support- Full Grain Leather Seat Trim with heated and ventilated front seats- Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert- Ultrasonic Front and Rear Park Assist with Hitch Guidance and Hitch View- Power Sunroof and power sliding rear window with defogger- 18" Machined Aluminum wheels with high gloss black accents- Wireless Phone Projection and Wireless Charging padThe AT4X trim distinguishes itself through an off-road-ready suspension system that maintains composure whether you're navigating rough terrain or highway driving. The Hill Descent Control and exhaust brake provide additional confidence in demanding situations. The truck bed features a spray-on bedliner with GMC logo and rear wheelhouse liners for added protection.Inside, the cabin delivers luxury typically found in higher-end vehicles. Heated steering wheel, driver memory settings, and dual-zone automatic climate control create an environment tailored to your preferences. The thermal and acoustic insulation ensures a quiet ride that makes long drives comfortable for all passengers.Technology integration is comprehensive. The in-vehicle trailering system app and trailer tire pressure monitor sensors keep you informed during towing operations. Automatic high-beam functionality, rain-sensing wipers, and a comprehensive safety suite including forward pedestrian braking and following distance indicator provide modern protection and convenience.With only 6,681 miles, this Sierra 2500HD AT4X remains virtually new, offering the peace of mind that comes with minimal use on a fully equipped premium truck. Whether your needs involve professional hauling, recreational towing, or simply commanding the road with authority and comfort, this truck is ready to exceed expectations.Visit our showroom to experience how the Sierra 2500HD AT4X combines the strength of purpose-built diesel power with the refinement of a modern luxury vehicle.