2025 Gmc Sierra Denali Ultimate Hd. 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 the 2500 and 3500. Denali ultimate’s signature style boldly announces its presence everywhere you go.

The 2025 gmc sierra denali ultimate is redefining what it means to drive a premium truck. The refreshed 2025 gmc sierra heavy duty arrives with a new, even more luxurious trim level.