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2024 Gmc Sierra 2024 Diesel Specs. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. Research the 2024 gmc sierra 2500hd diesel with our expert reviews and ratings.

Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and. The 2024 sierra 1500 crew cab ranges in power from the at4 with 305 horsepower to the denali ultimate with 420 horsepower.