2024 Gmc Denali 2500hd Diesel Engine. Build & price your 2024 gmc sierra 2500 hd denali by selecting from available trims and features. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck.
We’ve tested a sierra 2500hd denali with the diesel engine, which returned 17 mpg on the highway. Research the 2024 gmc sierra 2500hd diesel with our expert reviews and ratings.