Experience commanding power and advanced technology with the 2026 GMC Sierra 2500HD Denali Ultimate in striking Onyx Black, designed for those who demand capability and comfort.

This heavy-duty truck is equipped with a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, paired with a 10-speed automatic transmission and all-wheel drive for superior traction and control. The Denali Ultimate trim features 20-inch ultra-bright machined aluminum wheels with gloss black inserts, complemented by all-terrain tires front and rear, ensuring rugged performance on any surface.

Inside, the Alpine Umber interior offers heated and cooled leather bucket seats with power adjustments, lumbar support, massage function, and seat memory, providing exceptional comfort on long hauls. The cabin is enhanced with a 13.4-inch diagonal premium GMC infotainment system featuring Google built-in apps, voice assistance, and wireless connectivity for Android Auto and Apple CarPlay.

Safety is paramount with features like automatic high beams, blind spot monitoring, cross-traffic alert, front collision mitigation, lane departure warning, and a comprehensive airbag system. Additional practical touches include a bed liner, integrated tailgate step, power retractable running boards, trailer wiring provisions for fifth-wheel and gooseneck trailers, and a snow plow prep package for versatile work capabilities.

The 2026 GMC Sierra 2500HD Denali Ultimate is engineered to meet the demands of professional drivers who require power, technology, and durability in one exceptional package.