2024 Denali Ultimate Dually. From its impressive trailering capabilities, interior tech, and powerful performance, the 2500 hd and 3500.  — gm pulled the sheets on the refreshed 2024 gmc sierra hd early last month, revealing revised exterior styling, a revamped interior space, powertrain updates,.

Think of the denali ultimate as checking all of.  — the 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.