2024 At4 2024 Duramax Diesel. Initially introduced on select trims, the lzo duramax diesel is now the base. — carbuzz tested a sierra 1500 denali ultimate with the optional duramax engine, one of the few diesel trucks left on the market now that ram killed the.
Come join the discussion about modifications, towing, classifieds,. — carbuzz tested a sierra 1500 denali ultimate with the optional duramax engine, one of the few diesel trucks left on the market now that ram killed the.