2020 GMC Terrain Models, Trim Levels & MSRP
Next year, for the 2021 model year, the GMC Terrain will be among the models adding its very own AT4 model. Much like Denali denotes the luxurious, top-of-the-line trim level for all GMC models, AT4 designates a GMC vehicle ready for the off-road, and next year every vehicle on the lineup will feature an AT4…