Filed under: Design/Style,Spy Photos,GMC,Truck Toned down compared to the Sierra Denali. Continue reading 2019 GMC Sierra 1500 SLE spy shots show new bumpers and tailgate 2019 GMC Sierra 1500 SLE spy shots show new bumpers and tailgate originally appeared on Autoblog on Mon, 12 Mar 2018 11:55:00 EDT. Please see our terms for use of feeds. Permalink | Email this | Comments Continue reading...