2025 Sierra Denali Ultimate. Similar to the sierra 1500 and yukon, the 2025 gmc sierra hd denali ultimate is equipped with unique styling touches that help it stand out from the rest of. The refreshed 2025 gmc sierra heavy duty arrives with a new, even more luxurious trim level.

Build and price a new 2025 gmc sierra hd denali ultimate with your choice of model, colour, options and more. The denali trim moves to second place in the sierra hd’s hierarchy for the 2025 model year with the introduction of the new denali ultimate trim, available for both.