2024 Gmc Sierra 2024 At4 Mpg. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air. 2024 sierra at4x gets duramax diesel power.

Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air. Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain.