See all generations of the GMC Terrain: discover information about every model year and check out what was changed.

GMC All Terrain – sometimes stylized as All-Terrain – was the precursor to the AT4 sub-brand, and demonstrated the automaker’s off-roading competencies in the form of add-on packages and model trim ...

GMC Sierra All Terrain models are discontinued off-road-oriented offerings with features that were very similar to the Sierra AT4 models that came to replace them. As such, these variants of light- ...