Video Review: 2024 GMC Sierra HD AT4X AEV

Especially with the Duramax diesel and excellent Alison transmission pairing.
Aaron Turpen
Posted by December 29, 2023

The Sierra 2500 HD in its AT4X off-road package with the American Expedition Vehicles add-ons is a beautiful rig for getting out into the hinter. Especially with the Duramax diesel and excellent Alison transmission pairing.

Aaron Turpen
Aaron Turpen
View More Posts
An automotive enthusiast for most of his adult life, Aaron has worked in and around the industry in many ways. He is an accredited member of the Rocky Mountain Automotive Press (RMAP), the Midwest Automotive Media Association (MAMA), the Texas Auto Writers Association (TAWA), and freelances as a writer and journalist around the Web and in print. You can find his portfolio at AaronOnAutos.com.