2024 Denali Ultimate 2024 Lok. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc's most premium, luxurious and technologically advanced truck yet.

As the name would suggest, the. With a sticker price nearing $100k, the 2024 gmc sierra 2500hd denali ultimate is the most extravagant truck we’ve ever driven.