Home » 2016 GMC SIERRA Reveals Facelift + LED Lighting Upgrade in SLT, Denali and All Terrain Trims » 2016 GMC Sierra 28 2016 GMC Sierra 28 Home » 2016 GMC SIERRA Reveals Facelift + LED Lighting Upgrade in SLT, Denali and All Terrain Trims » 2016 GMC Sierra 28