2024 Gmc Sierra 3500hd At4. Research the 2024 gmc sierra 3500hd with our expert reviews and ratings. Use our handy tool to get estimated annual fuel costs based on your driving habits.

Detailed specs and features for the 2024 gmc sierra 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. 2024 at4 4×4 crew cab 5.75 ft.