GMC Introduces First-Ever 2024 GMC Sierra HD AT4X & AT4X AEV Edition
The 2023 GMC Sierra HD now offers two new off-road-ready trims: AT4X and AT4X AEV Edition. Both are specially engineered to tame more challenging terrain. Not only are these adventurous models extremely rugged, but they also allow you to travel in pure luxury. Here's an overview of what these trail-ready trucks bring to the table.
