Gmc 2024 Sierra 2024 Hd. See the complete list of 2024 gmc sierra hd updates, changes, and new features here at gm authority. Gm has unveiled the refreshed 2024 gmc sierra hd, debuting fresh exterior styling, a new interior, a revised trim level lineup, powertrain updates, and more.

The 2024 gmc sierra hd features two new trims designed to boost the truck’s appeal (and sticker price): General motors officially unveiled the fully refreshed 2024 gmc sierra hd last october, revealing an updated exterior, an overhauled interior, a new trim level.