Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 2500HD Denali Ultimate. This GMC includes: LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover LPO, 22 Aluminum Wheels TRANSMISSION, 10-SPEED AUTOMATIC (STD) A/T 10-Speed A/T GVWR, 11,350 LBS GLACIER WHITE TRICOAT LPO, BODY COLOR WHEEL ARCH MOLDINGS ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY *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 2500HD 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 2500HD Denali Ultimate is king of the off-road. Just what you've been looking for. With quality in mind, this vehicle is the perfect addition to take home. 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.