GMC ≫ CanyonGMC Canyon AT4 (2021, second generation) photosby Joshua ThompsonThe AT4 is a new addition to the 2021 GMC Canyon range with a bigger grille, offroad suspension, 31″ tires with 17″ wheels, and 4WD with rear locking diff. ◄ PrevNext ►Credit: GMC/Fets 2021 GMC Canyon AT4 Tags:at4canyongmcsecond generation