Our diesel-powered 2021 GMC Sierra 2500HD Denali Crew Cab 4X4 with the Ultimate Pack dominates your days with dynamic strength and luxurious style in Onyx Black! 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, a tonneau cover, GMC MuliPro power steps, 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 Autoworld of America Test Drive Towards Ownership! This vehicle has a been inspected and certified in Florida. It is in excellent condition inside and out, all options and features work perfectly. We test drive all our vehicles for several miles to insure all the options and features work as they should. This vehicle is priced thousands below its J.D. Power clean retail price based on its trim package, advertised miles, and additional options. Our vehicles go through a 151-Point Inspection and include an in-house warranty* ask your salesman for more details. All our vehicles are ready to go for Nationwide or International shipping as well. At Autoworld you will save thousands without sacrificing quality. You get a newer, higher trim, with even lower miles than what you were expecting in your price range. For more than 30 years customers worldwide agree that vehicles from Autoworld of America offer the best value and quality. CUSTOMERS SAVE ON AVERAGE OVER $6,500 COMPARED TO OTHER DEALERS GET A HIGHER TRIM PACKAGE AND LOWER MILES FOR YOUR PRICE OFFERING LOCAL, NATIONWIDE & INTERNATIONAL SHIPPING FAMILY OWNED & OPERATED FOR OVER 30 YEARS 151-POINT PRE-DELIVERY INSPECTION