2025 Gmc Sierra 2025 Denali Ultimate. Detailed specs and features for the 2025 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. Turbocharged diesel v8 6.6l/ fuel type.

The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds. Keep an eye on this page to learn about the songs, characters, and celebrities.