GMC fulfills its promise to bring an AT4 variant to every model with the introduction of the first-ever 2022 GMC Terrain AT4. Also appearing this model year is a refreshed and modernized Denali that positions Terrain for continued success in a highly competitive segment. The redesigned 2022 GMC Terrain SLE, SLT and AT4 will be available in summer 2021 and the 2022 GMC Terrain Denali will be available in fall 2021.