2024 Gmc At4 2024 Diesel Specs. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Research the 2024 gmc sierra 1500 diesel with our expert reviews and ratings.
Learn the ins and outs about the new 2024 gmc sierra 1500 4wd crew cab 147 at4. General motors officially unveiled the fully refreshed 2024 gmc sierra hd last october, revealing an updated exterior, an overhauled interior, a new trim level lineup, and.