2025 Gmc Sierra At4x Specs. Detailed specs and features for the 2023 gmc sierra 1500 at4x including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain. 2025 gmc sierra 1500 at4 in sterling metallic (a $495 color option) 2025 gmc sierra 1500 at4 specs.
In the following gm authority breakdown, we’re taking a closer look at the 2025 gmc sierra 1500 towing capacities with ball hitch and gooseneck configurations. View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 at4x at u.s.