2024 Denali Ultimate Hd Review. The denali trim moves to second place in the sierra hd’s hierarchy for the 2024 model year with the introduction of the new denali ultimate trim, available for both. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc's most premium, luxurious and technologically advanced truck yet.
The denali hd has always been a status. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine.