GMC ≫ SierraGMC Sierra 3500 HD Denali (2020, fourth generation) photosby Joshua ThompsonThe 2020 GMC Sierra 3500 HD Denali is available with both single or dual rear wheel setups. The Denali has premium leather and open pore wood. ◄ PrevNext ►Credit: GMC 2020 GMC Sierra 3500 HD Denali Tags:3500denalifourth generationgmchdsierra