2025 Gmc Denali 2025 Dually Mpg

2025 Gmc Denali 2025 Dually Mpg. Learn the ins and outs about the new 2025 gmc sierra 3500hd 4wd crew cab 172 denali. Get the most useful specifications data and other technical specs for the 2025 gmc sierra 1500 2wd crew cab 147 denali.

We’ve tested a sierra 2500hd denali with the diesel engine, which returned 17 mpg on the highway. Find information on performance, specs, engine, safety and more.