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

Get AutoCheck Vehicle History

Finance with Stevenson-Hendrick Honda Wilmington

Kelley Blue Book℠ Instant Cash Offer

Credit Report

Good drivers save more

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.

No recall found based on AutoCheck report.

Automatic

Stevenson-Hendrick Honda Wilmington

 for sale near you in Wilmington, NC. Get more information and car pricing for this vehicle on Autotrader.

Used 2026 GMC Sierra 2500 AT4 w/ Max Trailering Package for sale in Wilmington, NC 28405: Truck Details - 772926306 - Autotrader