Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 3500HD Denali. This GMC includes: ASSIST STEPS, POWER-RETRACTABLE Power Retractable Running Boards Running Boards/Side Steps WHEELS, 18 Aluminum Wheels STERLING METALLIC GVWR, 14,000 LBS Dual Rear Wheels ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged DENALI RESERVE PACKAGE Generic Sun/Moonroof Sun/Moonroof GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T *Note - For third party subscriptions or services, please contact the dealer for more information.* You deserve a vehicle designed for higher expectations. This GMC Sierra 3500HD Denali delivers with a luxurious, well-appointed interior and world-class engineering. Where do you want to go today? With 4WD, you can choose to drive virtually anywhere and on terrain 2WD vehicles can't handle. You could keep looking, but why? You've found the perfect vehicle right here. 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.