Gmc Sierra 2025 At4x. Here's everything you need to know about the gmc sierra 1500 at4x. The 2025 gmc sierra 2500 hd at4x aev edition adds functional style from american expedition vehicles trove of aftermarket accessories in a production package.

Now it comes as no surprise that gmc is following suit by making the downsized duramax the new standard engine on the 2025 sierra at4x. Here’s everything you need to know about the gmc sierra 1500 at4x.