2024 Gmc Sierra 2024 Duramax Mpg. The 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds. Edmunds also has gmc sierra 1500 diesel pricing, mpg, specs, pictures, safety features, consumer reviews.

470 hp @ 2,800 rpm; It completes a quarter mile run in 14.9 seconds.