2025 Gmc Denali 2500hd Diesel Review

2025 Gmc Denali 2500hd Diesel Review. Huge thanks to rivard buick and gmc in brandon, fl for making this review possible! 2025 gmc sierra 2500hd denali ultimate.

With 10 gears to choose from, and low range 4wd because the denali only comes with 4wd, there’s really nothing you can’t pull. We’ve tested a sierra 2500hd denali with the diesel engine, which returned 17 mpg on the highway.