This 2026 GMC Sierra 2500HD 4WD Crew Cab 159" AT4X at Classic Acura has 13920 mi on the odometer.
Built for those who demand maximum capability without compromise this AT4X represents the pinnacle of GMC's heavy-duty truck engineering. Under the hood sits the legendary Duramax 6.6L turbo-diesel V8 engine delivering commanding torque and B20-diesel compatibility for serious towing and hauling tasks. The AT4X Preferred Equipment Group ensures this Sierra is equipped with premium features throughout while the Snow Plow Prep and Camper Package plus Gooseneck/5th Wheel Prep Package make it ready for any adventure or worksite challenge.
The exterior showcases Onyx Black paint complemented by black badging black GMC emblems and black Sierra nameplates for a bold cohesive appearance. Eighteen-inch machined aluminum wheels wrapped in aggressive 35-inch M/T tires deliver exceptional off-road traction while the specialized AT4X suspension with DSSV dampers and 1.5-inch lift provides superior capability over challenging terrain. Power retractable assist steps with LED lighting offer convenient access and the hard folding truck bed cover by RealTruck Advantage protects your cargo.
Inside the Obsidian Rush full-grain leather interior creates a luxurious environment with front bucket seats featuring 16-way power adjustment lumbar support massage function heating and ventilation. Second-row heated seats ensure passenger comfort on long journeys. The 13.4-inch diagonal Premium GMC Infotainment System with Google built-in apps delivers seamless navigation and voice assistance while wireless Apple CarPlay and Android Auto keep you connected. The Bose Premium Series audio system with 12 speakers and MultiPro Tailgate Audio System by Kicker provide exceptional sound quality. A multicolor 15-inch diagonal head-up display and 12.3-inch reconfigurable driver information center keep critical information at your fingertips.
Advanced safety features include HD Surround Vision adaptive cruise control automatic emergency braking and trailer side blind zone alert. The innovative GMC MultiPro Tailgate with six functional configurations enhances versatility while the integrated trailering app and hitch guidance make towing effortless. Reference stock number AP255856 when contacting Classic Acura to experience this exceptional AT4X heavy-duty truck. All pricing and details provided are believed to be accurate but we do not warrant or guarantee such accuracy. The prices shown above may vary from region to region as will incentives and are subject to change. New vehicles offered may be eligible for manufacturer incentives which may change at any time and are subject to incentive qualification criteria and requirements and which may be contingent upon manufacturer finance company approval. Manufacturer incentive data and vehicle features information is provided by third parties and believed to be accurate as of the time of publication. Vehicle information is based upon standard equipment and may vary from vehicle to vehicle. Please contact the dealership.
