Ready to take on the day, our diesel-driven 2021 GMC Sierra 3500 SLE Crew Cab 4X4 is ready to get moving in Onyx Black! Powered by a TurboCharged 6.6 Liter DuraMax Diesel V8 offering 445hp and 910lb-ft of torque paired to a 10 Speed Allison Automatic transmission for serious capability. This Four Wheel Drive truck is a muscular workhorse with the kind of GVWR you need for the big jobs, and it rides on a specially tuned suspension for composed handling when getting them done. Our Sierra 3500 also makes a bold impression with its aggressive hood scoop, bright chrome grille accents, LED lighting, alloy wheels, stainless steel beltline moldings, and heated power trailer mirrors. You will love the all-day comfort in the SLE cabin, which is equipped with supportive cloth seats, a leather-wrapped multifunction steering wheel, cruise control, power accessories, single-zone climate control, remote keyless entry, and smart connectivity anchored by a 7-inch touchscreen, Apple CarPlay®, Android Auto®, Bluetooth®, WiFi compatibility, and a six-speaker audio system. You'll appreciate our Sierra's versatile storage solutions, too! GMC safeguards your driving on the job or off with a high-strength steel frame complemented by a backup camera, ABS, hitch guidance, StabiliTrak stability/traction control, tire-pressure monitoring, and more. Our Sierra 3500 SLE carries the weight of your world with ease! 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.