2018 GMC Terrain SLE Quicksilver Metallic *BACKUP CAMERA, *BLUETOOTH, *EXTRA CLEAN. 26/30 City/Highway MPG Odometer is 21470 miles below market average! 26/30 City/Highway MPG SLE Since 1908, i.G. Burton Auto Group has served Delmarva and its surrounding communities with outstanding sales and service as its longest-standing family-owned and operated dealer group. See why we proudly say, Nobody Beats a Burton Deal! Nobody!&Quot,