2023 GMC Sierra 1500 AT4X AEV Edition digs into the aftermarket parts bin for more capability

GMC has turned to American Expedition Vehicles (AEV) to upgrade the Sierra 1500 AT4X, the truck maker announced on Friday. The 2023 GMC Sierra 1500 AT4X AEV Edition pulls off-road armor from the aftermarket company’s parts bin. Debuting at the Overland Expo Pacific Northwest show in Redmond, Oregon, the 2023 GMC Sierra 1500 AT4X AEV Edition adds…