2024 GMC Sierra 2500HD AT4 Summit White 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselCommanding capability meets premium off-road refinement in this 2024 GMC Sierra 2500HD AT4. Finished with bold AT4 styling and engineered for serious towing, hauling, and all-terrain performance, this Sierra HD delivers the perfect balance of heavy-duty truck strength and upscale GMC comfort. Powered by the legendary 6.6L Duramax Turbo-Diesel V8 paired with the Allison 10-speed automatic transmission, this 4WD Sierra 2500HD AT4 is built to conquer job sites, back roads, and long-distance towing with confidence.Inside, the AT4 cabin surrounds you with premium materials, advanced technology, and professional-grade craftsmanship. Enjoy a large GMC infotainment touchscreen with wireless Apple CarPlay and Android Auto, premium connectivity features, Bluetooth streaming, multiple USB ports, and an available Bose premium audio experience. Heated and ventilated front seating, a heated steering wheel, dual-zone automatic climate control, and upscale AT4-exclusive interior accents create a refined driving environment whether you're commuting or towing your camper to the mountains.Designed with serious truck buyers in mind, this Sierra 2500HD AT4 features aggressive off-road suspension tuning, skid plates, hill descent control, all-terrain tires, red recovery hooks, and GMCs signature MultiPro Tailgate for maximum utility and convenience. Advanced trailering technology, integrated trailer brake controller, HD rear vision camera systems, and a suite of GMC Pro Safety driver-assist features help provide added confidence behind the wheel.If you're searching for a lifted diesel truck, GMC Sierra HD Duramax for sale, heavy-duty 4x4 truck, off-road diesel pickup, or luxury towing truck, this 2024 GMC Sierra 2500HD AT4 stands out from the crowd with bold styling, exceptional capability, and premium comfort. Don't miss your opportunity to own one of the most sought-after heavy-duty diesel trucks on the market today.All prices exclude taxes, title, $799 dealer processing fee and $319 theft protection etch. Prices are subject to change without notice. The dealer reserves the right to correct any errors or omissions. Offers, specials and discounts are vin specific. Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed.