Meet the beast: a GMC Sierra Denali Ultimate like you’ve never seen before. Upgraded with the Hennessey H600 performance package, this supercharged truck is the perfect blend of luxury, power, and rugged capability.

Under the hood, the H600 upgrade pushes this Sierra to an eye-watering 625 horsepower, transforming it into a true street and off-road monster. But it’s not just about speed — the Denali Ultimate trim ensures you still ride in premium comfort, with cutting-edge tech, refined materials, and unmatched style.

Hennessey H600 Highlights:

Supercharged 6.2L V8

625 HP / 611 lb-ft Torque

Upgraded Exhaust & Air Induction

Hennessey Badging & Serial Plaque

3-Year / 36,000-Mile Warranty

Whether you’re looking for the most powerful GMC Sierra on the market or just love high-performance trucks, this is one build you don’t want to miss.