2024 Gmc Sierra 2024 Hd. The 2024 gmc sierra hd features two new trims designed to boost the truck’s appeal (and sticker price): Discover the 2024 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more.
2024 gmc sierra hd brings the luxury and the muscle. Gmc’s heavy duty lineup gets more towing power, upgraded interiors, and a new denali ultimate trim.