2024 Gmc Sierra 2500hd Owners Manual 2024. Download the 2024 gmc brochure for comprehensive information on models, features, and innovations. 2024 gmc sierra hd at4x & at4x aev edition specifications.

2024 gmc sierra 2500hd and 3500hd pickup trucks equipped with the denali ultimate trim are the only truck in gmc’s lineup that come standard with the 6.6l l5p duramax diesel engine, producing 470. 2024 gmc sierra owner’s manual.