The 2025 GMC Sierra Denali Ultimate is the pinnacle of the GMC Sierra lineup, offering a luxurious and powerful driving experience. It features a bold and distinctive design, a spacious and well-appointed interior, and a range of advanced technologies.
The Sierra Denali Ultimate is powered by a 6.2-liter V8 engine that produces 420 horsepower and 460 lb-ft of torque. It is paired with a 10-speed automatic transmission and four-wheel drive. This combination provides plenty of power for towing and hauling, as well as a smooth and comfortable ride.