2024 Sierra Denali Hd Specs. See the complete list of 2024 gmc sierra hd updates,. Adaptive cruise control with trailering assist, previously standard on the 2024 at4x and denali ultimate trim levels, now comes on the at4 and denali trims as well.

The 2024 gmc sierra hd lineup has been updated and upgraded from the previous model year, but it is not a complete redesign. See the complete list of 2024 gmc sierra hd updates,.