2024 Gmc Denali Vs 2025 Gmc Denali Review. We cover everything from the powerful 2025 gmc 2500 at4 and at4x to the luxurious 2025 gmc 2500 denali and denali ultimate. The 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.

Both models kick off their respective third. We recommend equipping the slt trim.