2024 Gmc Sierra Hd. It’s not a new truck from the. General motors officially unveiled the fully refreshed 2024 gmc sierra hd last october, revealing an updated exterior, an overhauled interior, a new trim level.
Edmunds also has gmc sierra 2500hd pricing, mpg, specs, pictures, safety features, consumer reviews and more. Gmc’s bold, burly sierra hd truck is getting a major facelift and interior upgrade for 2024 along with powertrain changes that increase its towing capacity.