2025 Denali Ultimate Hd. At the top of the range, there's now the denali ultimate. With a sticker price nearing $100k, the 2025 gmc sierra 2500hd denali ultimate is the most extravagant truck we’ve ever driven.
The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds. The refreshed 2025 gmc sierra heavy duty arrives with a new, even more luxurious trim level.