2024 Gmc Denali Duramax. Discover the 2024 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more. 2 of mine run delo 5w40 year round and the newest one i'm trying the ultra low ash delo 600 adf 15w40.
Discover the 2024 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more. The uplevel trucks ltz, hc, zr2, slt, at4, denali, at4x.