A strange photo shows a GMC Sierra AT4 bottomed out on some structure in a parking lot. We're really like to know what the ...
That’s because the AT4X is no longer a trim level for the 2025 model year, instead becoming a package offered on the AT4 trim. From there, the 2025 GMC Canyon adds an optional snorkel as an LPO ...
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What Does AT4 Mean On GMC Trucks? Here's What The Package IncludesWhen you want to go off-road, uptown-style, GMC supports that vision with a rugged line of trucks and SUVs packaged under the AT4 label, or All-Terrain 4WD. These mighty vehicles are off-road ...
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