This used 2024 GMC Sierra 2500HD AT4 Crew Cab pairs heavy-duty diesel capability with premium comfort and off-road-focused features. Finished in Summit White with a Jet Black interior and Kalahari accents, it has 51,951 miles and is equipped with a 6.6L Duramax V8 turbodiesel, a 10-speed automatic transmission, and four-wheel drive.

The AT4’s off-road equipment includes an off-road suspension, a two-speed active transfer case, Hill Descent Control, and high-clearance assist steps. The Gooseneck/5th Wheel Prep Package, integrated trailer brake controller, Hitch Guidance with Hitch View, and In-Vehicle Trailering System App add useful support for towing. Trailer camera provisions and trailer-viewing software are also included.

Comfort and cabin highlights include:
• Perforated leather-appointed front seats with heated and ventilated front seating
• Heated rear outboard seats and a heated steering wheel
• Power-adjustable front seats with lumbar support and driver memory
• Power sunroof, power-sliding rear window with defogger, and dual-zone automatic climate control
• Bose premium 7-speaker sound system
• Wireless charging, wireless phone projection, Apple CarPlay, and Android Auto
• Multicolor 15-inch diagonal head-up display and inside rearview camera mirror

This Sierra also includes helpful driver-assistance and visibility features such as Adaptive Cruise Control, Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, HD Surround Vision, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, and front and rear park assist.

Additional equipment includes a spray-on bedliner with AT4 logo, rear wheelhouse liners, a 120-volt bed-mounted outlet, LED cargo-area lighting, a power-retractable black assist step, and the MultiPro tailgate’s step lights. A capable, well-equipped heavy-duty truck designed for demanding work, towing, and comfortable everyday driving. 🚘