2026 GMC Sierra 2500HD AT4

* Technology Pkg * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Off-Road High Clearance Steps * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Want strength, capability & comfort from your next pickup? The 2026 GMC Sierra 2500HD AT4 in Onyx Black with a Jet Black interior and Kalahari accents combines innovative technology with dependable power. Powered by a Duramax 6.6L turbo-diesel V8 engine generating 470 horsepower and 975 lb-ft of torque, plus equipped with a 10-speed automatic transmission and 4x4. Key features include heated and ventilated front leather seats with Kalahari accents, heated rear seats, adaptive cruise control, navigation system, premium Bose sound system, blind spot monitor, GMC MultiPro tailgate, hitch guidance, spray-on bed liner, power folding mirrors, rain-sensing wipers, HD Surround Vision system, rear parking aid & smart device integration. Lane departure warning and front collision alert provide added confidence. Stock # T4349620 AMVIC Licensed Dealer.