2024 Gmc At4 2024. 2024 gmc sierra 1500 at4 in sterling metallic (a $495 color option) 2024 gmc sierra 1500 at4 specs. Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,.
Gmc is building on the at4 legacy with the first ever sierra hd. For more information and to see sierra inventory, click here:
