The real deal, our 2026 GMC Sierra 3500 SLT Crew Cab 4X4 tows, hauls, and takes care of business in Summit White! Motivated by a 6.6 Litre V8 serving up 401hp to a 10 Speed Allison Automatic transmission engineered for extreme use. This Four Wheel Drive truck is easy to maneuver, too, since it comes standard with Digital Variable Steering and an auto-locking rear differential. Our Sierra 3500 SLT exterior features LED lighting throughout, including fog lamps and cargo bed illumination, along with a MultiPro tailgate, alloy wheels, and trailering mirrors with chrome caps. Our SLT cabin is equipped with heated leather power front seats, a heated steering wheel, dual-zone automatic climate control, remote start, and 120V power outlets. Digital functionality is centered on a 13.4-inch touchscreen and a 12.3-inch driver display, supporting Google Built-In, wireless Apple CarPlay®/Android Auto®, WiFi compatibility, Bluetooth®, voice recognition, and a Bose premium audio system. Smart GMC driver assistance helps make your days safer with Pro Grade trailering technologies, automatic braking, lane-departure warning, forward collision warning, an HD rearview camera, hill start assistance, trailer sway control, and more. With all that, our Sierra 3500 SLT 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.