2024 Gmc Sierra 2024 Hd At4x Interior. The 2024 gmc sierra at4x definitely looks the part, with huge ground. 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 at4x and extreme aev edition both benefit from interior updates found on lesser sierra hd models, which were refreshed for 2024. The 2024 gmc sierra hd features two new trims designed to boost the truck’s appeal (and sticker price):