Built strong with diesel strength and elevated craftsmanship, our 2026 GMC Sierra 3500 Denali Ultimate Crew Cab 4X4 stands at the summit of Pro Grade luxury and heavy-duty capability in Onyx Black. Motivated by a TurboCharged 6.6 Liter DuraMax Diesel V8 delivering 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission. This Four Wheel Drive truck also masters the miles with an off-road suspension, Digital Variable Steering, and a dominating design. Exterior highlights include a power sunroof, power assist steps, LED lighting, 20-inch wheels, a spray-on bedliner, and a MultiPro tailgate with a built-in Kicker sound system. Ready to impress, our Denali Ultimate surrounds us with premium comfort, including heated and ventilated leather power front seats, heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, and a power sliding rear window. Digital command comes from a Bose Performance audio system paired with a 13.4-inch touchscreen, a 12.3-inch driver display, Google Built-In, wireless Apple CarPlay®/Android Auto®, WiFi compatibility, and wireless charging. Intelligent GMC safety measures let you drive confidently, protected by adaptive cruise control, automatic braking, a head-up display, HD surround vision, a digital rearview mirror, trailer blind-spot monitoring, Pro Grade trailering equipment, and more. With all that, our Sierra 3500 Denali Ultimate won't complain when the big jobs call! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership! Drive a Little, Save a Lot. Really Experience the Murray Difference.