2024 Gmc Duramax Horsepower Rating. View information about specs and features. Use this chart to identify the factory output ratings for your duramax diesel.
The 2025 gmc sierra hd work truck pulls your world with turbocharged power and an impressive lineup of trims. More power and torque chevrolet has made big improvements to the 2024 silverado hd 6.6 duramax turbo diesel.