2024 Gmc 2500hd Specs. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. Choose between the 2025 chevy silverado 2500 hd or 3500 hd and learn more about the available trims and specifications for the heavy duty trucks.

View detailed specs, features and options for the 2024 gmc sierra 2500hd 4wd crew cab 172 slt at u.s. The 2024 sierra 2500 hd crew cab ranges in power from the pro with 401 horsepower to the denali ultimate with 470 horsepower.