Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 2500HD Denali. This GMC includes: GVWR, 11,350 LBS DENALI RESERVE PACKAGE Generic Sun/Moonroof Sun/Moonroof ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged ASSIST STEPS, POWER-RETRACTABLE, WITH LED PERIMETER LIGHTING AND BRIGHT ACCENT Power Retractable Running Boards Running Boards/Side Steps *Note - For third party subscriptions or services, please contact the dealer for more information.* Pull up in the vehicle and the valet will want to parked on the front row. This GMC Sierra 2500HD Denali is the vehicle others dream to own. Don't miss your chance to make it your new ride. Take home this GMC Sierra 2500HD Denali, and you will have the power of 4WD. It's a great feature when you need to drive over tricky terrain or through inclement weather. The GMC Sierra 2500HD Denali will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character. 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.