2024 Gmc Sierra Hd Denali Ultimate. Gmc’s heavy duty sierra pickups are getting big upgrades for 2024. 54k views 1 year ago.

Gmc’s heavy duty sierra pickups are getting big upgrades for 2024. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc’s most premium, luxurious and technologically advanced truck yet.