Our diesel-powered Accident Free 2021 GMC Sierra 2500HD Denali Crew Cab 4X4 with the Ultimate Pack dominates your days with dynamic strength and luxurious style in Quicksilver Metallic! Motivated by a TurboCharged 6.6 Liter DuraMax Diesel V8 delivering 445hp and 910lb-ft of torque to a 10 Speed Automatic transmission. This Four Wheel Drive truck also features an off-road suspension for rugged trails, confident handling, and a composed ride. Our Sierra makes a bold impression with exclusive Denali details, LED lighting, fog lamps, alloy wheels, a ProGrade Trailering System, a spray-on bedliner, running boards, a MultiPro tailgate, and our Ultimate Pack for a power sunroof.High-end comfort is on full display in our Denali cabin with heated/ventilated leather power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, and authentic open-pore wood accents. You're ready to command your days with our intelligent Ultimate Pack, which adds a digital rearview mirror, a head-up display, and an 8-inch driver display to an 8-inch touchscreen, full-color navigation, wireless Android Auto/Apple CarPlay, WiFi compatibility, Bluetooth, voice control, Bose audio, and wireless charging.GMC puts safety first with smart technologies such as HD surround vision, automatic braking, lane-departure warning, a blind-spot monitor, a bed-view camera, forward collision warning, and more. Now, drive our Sierra 2500HD Denali and see how far it will take you! Save this Page and Call for Availability. We Know You Will Enjoy Your Grand Valley Auto Sales Test Drive Towards Ownership!