Sierra 2500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

The *2026 GMC Sierra 2500HD AT4 4WD Crew Cab (159&quot; Bed)* is engineered for extreme capability with premium refinement. Finished in *Onyx Black* with a rugged yet upscale *Jet Black interior accented by Kalahari highlights*, this heavy-duty AT4 delivers uncompromising diesel power, advanced trailering technology, and bold off-road presence. ----------------------- ----------------- ==== Performance &amp; Capability ==== At the heart of this Sierra HD is one of the most respected diesel powerplants in the segment, delivering immense torque for towing and hauling. * *Duramax 6.6L Turbo-Diesel V8* (B20 Diesel Compatible) * 470 horsepower @ 2,800 rpm * 975 lb-ft of torque @ 1,600 rpm * Includes engine block heater * *10-Speed Automatic Transmission* * *Two-Speed Active Transfer Case* with electronic Autotrac * Integrated Trailer Brake Controller * Trailering Information Label with conventional, gooseneck &amp; 5th-wheel ratings ------------------------- --------------- ==== Exterior &amp; AT4 Design ==== Purpose-built with off-road styling cues and functional enhancements. * Onyx Black Exterior Finish * *20&quot; High-Gloss Black Aluminum Wheels (8-Spoke)* * LT275/65R20 All-Terrain Tires * Rear Wheelhouse Liners * *Power-Retractabl e Black Assist Steps with LED Lighting* * Animated LED Signature Tail Lamps * *GMC MultiPro Tailgate* with six functional load/access features * EZ Lift Tailgate with power lock, release &amp; hitch area lighting * Bed rail and tailgate protection caps ---------------------------- ------------ ==== Interior &amp; Technology ==== The AT4 cabin blends durability with modern connectivity and comfort. * Jet Black Interior with Kalahari Accents * Wireless Apple CarPlay &amp; Android Auto * Wireless Phone Charging * Wi-Fi Hotspot Capability * Multiple USB Charge/Data Ports (front &amp; rear) * Power Windows with Driver &amp; Passenger Express Up/Down * Rear Power Window with Express Down ---------------------------- ------------ ==== Trailering, Safety &amp; Driver Assistance ==== Designed to inspire confidence whether towing or navigating challenging terrain. * Trailer Side Blind Zone Alert * Trailer Camera Provisions with advanced trailer viewing software * Tire Pressure Monitoring System with Tire Fill Alert * Theft-Deterrent System with Engine Immobilizer * Teen Driver Technology with in-vehicle report card ---------------------------- ------------ ==== Summary ==== The *2026 GMC Sierra 2500HD AT4* is the ultimate heavy-duty truck for drivers who demand diesel strength, off-road capability, and premium technology in one commanding package. With its Duramax turbo-diesel power, advanced trailering systems, and distinctive AT4 styling, this Sierra is built to handle the toughest jobs while delivering everyday refinement. ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), ASSIST STEPS, POWER RETRACTABLE, BLACK includes LED lighting, Wireless phone projection for Apple CarPlay and Android Auto, Wireless Charging, Wipers, front rain-sensing, Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power fron&gt;

Used 2026 GMC Sierra 2500 AT4 w/ Max Trailering Package

Used 2026 GMC Sierra 2500 AT4 w/ Max Trailering Package Wilmington NC 28405

Max Trailering Package

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Some vehicles may be subject to manufacturer safety recalls. See if there are any open safety recalls for this vehicle. This does not include non-safety recalls. Recently announced safety recalls may not yet be posted and there may be a delay between the time a repair is made and before it is reported or posted to the website. Before purchasing, be sure to ask the seller for an up-to-date status on any recalls.

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Stevenson-Hendrick Honda Wilmington

Used 2026 GMC Sierra 2500 AT4 AWD/4WD

w/ Max Trailering Package

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