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2026 GMC Sierra 3500 HD Denali Onyx Black (VIN 1GT4UWEYXTF240357) (Stock 036460)
2026 GMC Sierra 3500HD Denali in Onyx Black commands the road with the effortless authority of its 6.6L turbo-diesel engine. Whether you are hauling heavy equipment to the job site or towing a trailer for a weekend escape, the AutoTrac 4WD system ensures you maintain composure on any terrain. Inside, the cabin offers a refined sanctuary with a heated steering wheel and premium finishes that make long hauls feel remarkably short. It is a truck built for serious work, wrapped in the sophisticated comfort that defines the Denali experience.