This 2021 GMC Sierra 3500HD Denali Crew Cab blends serious heavy-duty performance with high-end comfort and technology. Under the hood is a 6.6L Duramax V8 turbo-diesel engine paired with a 10-speed automatic transmission, delivering serious torque for towing and hauling. It’s equipped with the Denali Ultimate Package and features the X31 Off-Road Suspension Package with Rancho shocks, skid plates, and hill descent control.

Exterior equipment includes LED headlights, fog lamps, LED tail lamps, power-folding and extending heated trailering mirrors with LED cargo and perimeter lighting, spray-on bedliner with Denali logo, LED cargo bed lighting, chrome recovery hooks, and a power rear sliding window.

Inside, it’s equipped with heated and ventilated leather bucket seats up front, heated rear outboard seats, dual-zone automatic climate control, keyless entry and start, a leather-wrapped heated steering wheel with controls, and a large center console with wireless charging. The infotainment system includes a premium Bose sound system, GMC Premium Infotainment system with navigation, Bluetooth, wireless Apple CarPlay/Android Auto, SiriusXM, OnStar, and a rear camera mirror with multi-view camera capability.

Additional features include a digital variable steering system, ProGrade trailering system, HD surround vision with two trailer camera provisions, trailer brake controller, and a 10-way power driver and passenger seat with memory. The truck also has increased front GAWR and a 3.42 rear axle ratio.

Finished in Shadow Black with a Jet Black interior, this 3500 Denali is equally capable on the job site or the open road – delivering comfort, technology, and power in one premium heavy-duty package.

Inquire today on Fourbie Exchange, or visit the dealer’s website for more information