Make a powerful first impression in our Diesel powered 2023 GMC Sierra 3500 AT4 Crew Cab 4X4 that stands out in Onyx Black! Motivated by a TurboCharged 6.6 Litre DuraMax Diesel V8 that delivers 445hp and 910lb-ft of torque to a 10 Speed Allison Automatic transmission and ProGrade Trailering System. This Four Wheel Drive truck also has an off-road suspension with Rancho shocks, hill-descent control, and an AutoTrac two-speed transfer case to get you to almost any job site with ease. Standing out is just as simple since our Sierra 3500 shows off LED lighting, fog lamps, a MultiPro tailgate, skid plates, red recovery hooks, 18-inch alloy wheels, power-folding trailer mirrors, and a spray-on bedliner. Comfortable, convenient, and spacious, our AT4 cabin boasts heated/ventilated leather power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, cruise control, remote start, and keyless open/ignition. Modern technologies await with an 8-inch touchscreen, wireless Android Auto/Apple CarPlay, Bluetooth, WiFi compatibility, voice recognition, and a six-speaker sound system. Smart GMC safety features include an HD rear camera, ABS, StabiliTrak stability/traction control, tire-pressure monitoring, trailer sway control, a rear-seat reminder, advanced airbags, and more. Our Sierra 3500 AT4 is a premium power player with benefits like those! 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.