Diesel powered, our 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4X4 Dually is at the pinnacle of Pro Grade luxury and capability in White Frost Tricoat! 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. Our Denali Ultimate offers top-shelf amenities such as heated/ventilated leather power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, a power sliding rear window, and sophisticated technologies. Enjoy crisp Bose Performance audio backed by a 13.4-inch touchscreen, 12.3-inch driver display, Google Built-In, wireless phone connectivity, 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 IMD Motors Test Drive Towards Ownership!