2024 At4 Dually. I run my 2024 2500 at4x aev truck empty and maintain 42psi cold all around instead of 55psi and no tpms alerts except in onstar or gmc app report. The denali and at4 trims include 4wd.
Gmc is unveiling the 2024 sierra heavy duty and the first ever 2024 sierra hd denali ultimate, redefining the power and capability of this dominating truck. Detailed specs and features for the 2024 gmc sierra 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.