2024 Gmc Sierra 2500hd At4x Aev Edition Mpg. An update to the sierra hd’s cabin was sorely needed, and this 2024 model delivers the goods. The 2024 gmc sierra 2500 4wd crew cab at4x brings a delicious combination of comfort, style and brute force to market, for a price.

Things get more serious with the gmc sierra 2500 at4x. And we’ll know what they’ll cost as their release date.