GMC ≫ YukonGMC Yukon Denali (2018 update, K2UG, fourth generation) photosby Joshua ThompsonThe 2018 model year update for the GMC Yukon Denali adds a 10-speed automatic, real wood trim and a new grille. Has a 6.2-liter V8 as standard. ◄ PrevNext ►Credit: GMC 2018 GMC Yukon Denali - grille Tags:denalifourth generationgmck2ugyukon