Gmc Sierra 2024 At4 Motorisation. View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 at4 at u.s. Currently, the at4x trim level is only available on the gmc sierra 1500 and includes the following key features over the “regular” at4:

2024 gmc sierra 1500 at4 the big news is the duramax diesel engine, with is surprisingly smooth and quiet. Detailed specs and features for the 2023 gmc sierra 1500 at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.