2024 Gmc Sierra 2500hd At4x Aev Edition Review. The 2024 gmc sierra 2500 hd at4x aev brings more power and size than you’ll likely ever need powerful and with enough control to take you anywhere, and spacious enough for a family of five. The 2024 gmc sierra hd at4x aev edition isn't as extreme on the power side as those.
Still, there are some high notes, among them the impressive. Tall enough to see over all traffic except semis, awd, and.