Hey, look, GMC*has found another way to distinguish itself from Chevrolet, as the all-truck-and-SUV brand*has added a $4,940 Off-Road Performance Package to the list of equipment available for*the Sierra AT4. The upgrade brings a cat-back exhaust and performance air intake, as well as the optional 6.2-liter engine. The engine and its goodies mean AT4s with...
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The Off-Roady GMC Sierra AT4 Can Now Be Made Even More Off-Roady appeared first on
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The Off-Roady GMC Sierra AT4 Can Now Be Made Even More Off-Roady
