About This GMC Sierra 2500HD AT4

This 2021 GMC Sierra 2500HD AT4 is finished in Summit White with a Jet Black interior accented in Kalahari, delivering a strong combination of heavy-duty diesel power and off-road capability. Powered by a 6.6L Duramax Turbodiesel V8 paired with an Allison 10-speed automatic transmission, it offers impressive towing strength and smooth performance.

Upgraded with a BDS suspension lift, 17-inch Method wheels, and off-road components, this truck stands out with an aggressive look and enhanced capability. Additional highlights include skid plates, red recovery hooks, LED lighting, running boards, spray-in bedliner, MultiPro tailgate, sunroof, and a bed-view camera.

Inside, the cabin features heated and ventilated leather seats, heated rear seats, heated steering wheel, dual-zone climate control, and remote start. Technology includes navigation, wireless Apple CarPlay and Android Auto, wireless charging, Wi-Fi connectivity, Bose premium sound system, and advanced safety features such as head-up display, HD surround vision, blind zone alert, and lane departure warning. Built for both demanding work and everyday comfort, this AT4 is fully equipped and ready to perform.