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Slotted above the SLT and below the AT4X and Denali trims in the Sierra 1500 lineup, the AT4 delivers true everyday capability with an off-road suspension featuring a 2-inch factory lift with Rancho shocks and underbody skid plates, a 13.4-inch GMC Infotainment System with wireless Apple CarPlay and Android Auto, and heated and ventilated front seats for lasting comfort.
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