This outstanding example of a 2026 GMC Sierra 3500HD AT4 is offered by Legacy Buick GMC. This GMC includes: ONYX BLACK AT4 PREMIUM PLUS PACKAGE Generic Sun/Moonroof Sun/Moonroof GVWR, 12,100 LBS TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T LPO, BODY COLOR WHEEL ARCH MOLDINGS GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged *Note - For third party subscriptions or services, please contact the dealer for more information.* You appreciate the finer things in life, the vehicle you drive should not be the exception. Style, performance, sophistication is in a class of its own with this stunning GMC Sierra 3500HD AT4. At home in the country and in the city, this 2026 4WD GMC Sierra 3500HD AT4 has been wonderfully refined to handle any occasion. Smooth steering, superior acceleration and a supple ride are just a few of its qualities. There is no reason why you shouldn't buy this GMC Sierra 3500HD AT4. It is incomparable for the price and quality. Dealer Disclosure: Prices do not include state and local tax, title, license, notarial fees, convenience fees, documentary fees, and any finance charges. All prices, specifications and availability subject to change without notice. Contact dealer for most current information .Not available with special finance, lease and some other offers.