2024 Gmc 2024 Hd Denali Ultimate Specs. 2024 gmc sierra 2500hd and 3500hd pickup trucks equipped with the denali ultimate trim are the only truck in gmc’s lineup that come standard with the 6.6l l5p duramax diesel engine, producing 470. The refreshed 2024 gmc sierra hd was unveiled in 2022 with a long list of updates and changes over the preceding 2023 model year, including new styling, a new cabin, and a.
From its impressive trailering capabilities, interior tech, and powerful performance, the 2500 hd and 3500 hd. The new 2024 gmc sierra hd pickup truck pulls your world with turbocharged power and an impressive lineup of trims that includes the first ever denali ultimate.