2025 Gmc At4x 2025. Meanwhile, the 2025 canyon with the lowest payload rating is the at4 with the. Detailed specs and features for the 2025 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

I went from a 2017 denali diesel hd to a 2022 1500 at4x and really missed my hd diesel. Fuel economy of the 2025 gmc sierra 4wd at4x.