New 2024 Gmc At4. 2024 gmc sierra 1500 at4 in sterling metallic (a $495 color option) 2024 gmc sierra 1500 at4 specs. The 2024 gmc sierra 2500 4wd crew cab at4x brings a delicious combination of comfort, style and brute force to market, for a price.

So when gmc told us we would go offroading in the acadia at4, i took it all with a grain of salt. It starts at $81,900 and inflates to.