Our diesel-driven 2026 GMC Sierra 1500 Denali Ultimate Crew Cab 4X4 in Coastal Dune pairs impressive Duramax torque with confident four-wheel capability and bold styling built to master demanding work and open-road travel. Powered by a TurboCharged 3.0 Litre DuraMax Diesel 6 Cylinder providing 305hp and 495lb-ft of torque to a 10 Speed Automatic transmission. A Denali suspension with Adaptive Ride Control helps you conquer busy days while riding in comfort, and this Four Wheel Drive truck returns approximately 9.0L/100km on the highway. Our Sierra 1500 stands out with LED lighting, a power sunroof, power running boards, bold 22-inch wheels, and a MultiPro tailgate that adds impressive functionality to the cargo bed. Denali Ultimate luxury elevates our cabin with heated and ventilated leather power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, and two large dash-mounted displays. The 13.4-inch touchscreen and 12.3-inch driver display help you manage WiFi compatibility, Google Built-In, wireless Android Auto®/Apple CarPlay®, Bluetooth®, wireless charging, Bose audio, and voice control. GMC's award-winning hands-free Super Cruise leads the way for intelligent driver assistance with a head-up display, digital rearview mirror, front/rear auto braking, HD surround vision with a bed-view camera, and more. Our Silverado 1500 Denali Ultimate gives you more, so you can get more done! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership! Serving the Westman area for decades, our award-winning dealership and our professional sales staff are here to make your auto shopping experience hassle-free.