2024 Gmc At4 2024 Diesel Problems. I've heard terrible fuel mileage aswell. Here is the place to discuss any problems or issues with the gmc sierra 1500 at4.
None of the “exhaust kits” you buy will alter the sound of the 2024 diesel as most of the sound is muffled through the dpf, catalytic converter, and muffler. Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,.