* Power Assist Steps * 18 Forged Aluminum Wheels * GMC Multipro Tailgate * Gooseneck/5th Wheel Prep Pkg * Bose 12-Speakers * Adaptive Cruise * Heated/Ventilated Front Seats * Dual Rear Wheels * At the cutting edge of capability and luxury, the 2026 GMC Sierra 3500HD Denali Ultimate stands out in Onyx Black exterior and an Alpine Umber interior. Under the hood, it boasts a robust Duramax 6.6L Turbo-Diesel V8 engine delivering 470 hp and an impressive 975 lb-ft of torque for commanding performance. This powerhouse is coupled with a 10-speed automatic transmission for smooth, efficient shifts. Featuring a suite of high-tech amenities, this model includes adaptive cruise control, a navigation system for seamless routing, and a multicolor 15 diagonal head-up display that projects critical vehicle data onto the windshield. Enjoy the luxury of heated and ventilated front seats, a heated steering wheel, and premium interior throughout the cabin. Safety is paramount with features such as blind zone alert, rear cross traffic alert, forward collision alert, the HD Surround Vision system, and lane departure warning. Infotainment is provided via premium Bose 12-Speaker sound system and integration for smart devices, keeping you connected and entertained. This vehicle also comes equipped with convenient power retractable assist steps, a spray-on bed liner for protection against wear and tear, and the GMC Multipro tailgate steps that enhance functionality without sacrificing style. Stock # T4210935 AMVIC Licensed Dealer.