2025 Gmc 2025 Hd Denali Ultimate Denali. Detailed specs and features for the 2025 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. View local inventory and get a quote from a dealer.
2025 gmc 2500 hd denali ultimate specs, this particular 2025 sierra 2500 hd is a crew cab, standard bed configuration, spec’d in the luxurious denali trim level, and appears to. The refreshed 2025 gmc sierra heavy duty arrives with a new, even more luxurious trim level.