For off-roading fans, the GMC Sierra AT4 delivers thanks to enhanced, trail-ready capability and a rugged, aggressive design. Highlights of the factory setup include a two-inch lift, all-terrain tires ...
The 2025 GMC Sierra 2500 AT4 delivers a simple and clean transformation with a 3-inch Cognito lift kit, 22-inch KG1 Forged wheels, and 35-inch Toyo tires for a bold yet refined presence on the road ...
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