2025 Gmc Denali 2025 Duramax Diesel. Carpro show host jerry reynolds reviews the escalade of pickup trucks, the 2025 sierra 1500 denali ultimate equipped with the duramax diesel engine. Gale starts by saying, “this is data that you won’t find on a spec sheet!” this new engine.
Research the 2025 gmc sierra 1500 diesel with our expert reviews and ratings. Looking at a new 2025 at4 and just curious if the 10 speed transmission helps with mpg.