You can find this 2026 GMC Sierra 3500HD Denali Ultimate and many others like it at Legacy Buick GMC. This GMC includes: ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch TRANSMISSION, 10-SPEED AUTOMATIC (STD) A/T 10-Speed A/T ONYX BLACK ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged LPO, HITCH PACKAGE Tow Hitch *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 Denali Ultimate. Taking the road less traveled has never been more fun than with this 4WD. With improved performance, mileage and acceleration, this 2026 4WD GMC Sierra 3500HD Denali Ultimate is king of the off-road. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 3500HD Denali Ultimate will definitely turn heads. 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.