Summit White 2017 GMC Sierra 1500 SLE 4WD 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive, 4WD, Black Cloth, 10-Way Power Driver's Seat Adjuster, 110-Volt AC Power Outlet, 150 Amp Alternator, 2-...