Make a bold statement with our Diesel powered 2025 GMC Sierra 3500 SLT Crew Cab 4X4 that tows, hauls, and takes care of business in Onyx Black! Motivated by a TurboCharged 6.6 Litre DuraMax Diesel V8 serving up 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission for extreme use. This Four Wheel Drive truck is easy to maneuver, too, since it comes with Digital Variable Steering and an auto-locking rear differential. Ride in style with our Sierra's LED lighting, including LED fog lamps/bed lighting, plus a MultiPro tailgate, alloy wheels, and premium trailering mirrors with chrome caps. Once inside, our SLT cabin is crafted by the Pros to provide heated leather power front seats, a heated steering wheel, dual-zone automatic climate control, remote start, 120V power outlets, and intelligent tech resources. The 13.4-inch touchscreen and 12.3-inch driver display deliver an eye-catching visual impact and support Google Built-In, WiFi compatibility, wireless Apple CarPlay®/Android Auto®, Bluetooth®, voice control, and a six-speaker sound 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.