Vehicle DetailsWe offer an EXCLUSIVE Warranty Forever on qualifying vehicles. Blending rugged strength with refined execution, our diesel-driven 2026 GMC Sierra 3500 AT4 Crew Cab 4X4 brings Pro Grade capability together with premium comfort in Titanium Rush Metallic. Motivated by a TurboCharged 6.6 Liter DuraMax Diesel V8 offering 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission for getting to work where the pavement ends. This Four Wheel Drive truck also boasts an off-road suspension with hill-descent control and a 2-speed transfer to help handle difficult terrain with calm confidence. Our Sierra 3500 AT4 exterior includes LED lighting, protective skid plates, a MultiPro tailgate, 20-inch alloy wheels, power-folding trailering mirrors, and a receiver hitch with an integrated wiring harness.Our AT4 cabin features heated/ventilated leather power front seats, heated rear seats, a heated leather-wrapped steering wheel, dual-zone automatic climate control, and remote start. Technology is centered on a 13.4-inch touchscreen and a 12.3-inch driver display, providing Google Built-In, wireless Apple CarPlay®/Android Auto®, WiFi compatibility, Bluetooth®, and a Bose premium audio system.Staying safe is mandatory, so GMC ensures you're well-protected by HD surround vision, automatic braking, trailer-capable blind-spot monitoring, lane-departure warning, hitch view/guidance, hill-start assistance, trailer sway control, and more. A mighty workhorse, our Sierra 3500 AT4 is made to do better! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership!Additional Information*Select inventory is subject to a Market Adjustment Published price is subject to change without notice to correct errors or omissions or in the event of inventory fluctuations. Price does not include tax, title, registration, or acquisition fees. Not responsible for typographical or technical errors. Not valid with prior sales. Picture may not represent actual vehicle. Please confirm all accuracy of information with dealer prior to purchase.