2024 Gmc Sierra 2500hd Specs. Compare the 2024 gmc sierra 2500hd with the 2025 chevrolet silverado 2500hd: The motortrend buyer's guide has the 2024 gmc sierra 2500hd specs you need, from dimensions and cargo space to power and mpgs.

Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. 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.