AT4X is an evolved version of GMC's AT4 trim ... the new interior layout is far superior. White with red accents grabs your attention from a distance, though our test drivers were seen frowning ...

luxury-focused AT4X Obsidian Rush interior, which includes some surprises for such a capable off-roader vehicle – including the leather seats and technical-grain leather accents, with white ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

Our 2024 GMC Sierra AT4X AEV Edition test truck featured the optional Duramax 3.0-liter turbodiesel engine with 305 horsepower and 495 lb-ft of torque. Although the Sierra AT4X AEV Edition boasts ...

The casual observer may not have noticed, but the GMC Sierra AT4X now has its own grille design, an aesthetic departure from the regular Sierra AT4. When the AT4X first joined the lineup in 2022 ...

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