This stunning 2024 GMC Sierra 2500HD AT4 delivers premium capability and luxury in one commanding package. Finished in sleek Black with a refined Jet Black interior accented with Kalahari leather, this crew cab standard bed truck combines work-ready performance with upscale comfort. Powered by the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-speed automatic transmission and 4WD, this Sierra is built for serious hauling and towing while maintaining a refined on-road experience. â Power-Retractable Black Assist Steps â Gooseneck/5th Wheel Prep Package with Hitch Platform â X31 Off-Road Package with Hill Descent Control & 2-Speed Active Transfer Case â Bose Premium 7-Speaker Sound System with SiriusXM 360L & Wireless Phone Projection â 20 High Gloss Black Aluminum Wheels with Spray-On Bedliner â HD Surround Vision, Bed View Camera & Trailer Viewing Software â Heated & Ventilated Power Leather Seats with Memory Driver Seat â Advanced Safety Suite: Automatic Emergency Braking, Forward Collision Alert & Rear Cross Traffic Alert â Wireless Charging & Dual USB Charging Ports â Adaptive Cruise Control with Following Distance Indicator The AT4 Preferred Package elevates this truck with premium appointments and rugged engineering designed for those who demand both capability and refinement. Engine Block Heater and dual alternators ensure reliable cold-weather starts, while the integrated trailer brake controller and trailering technology make towing seamless and safe. Visit our showroom to experience the commanding presence and capability of this Sierra 2500HD AT4 firsthand.