Recent Arrival! 2015 GMC Sierra 1500 SLE Bronze Alloy Metallic SLE EcoTec3 5.3L V8 Flex Fuel 6-Speed Automatic Electronic with Overdrive 4WD CARFAX One-Owner. Clean CARFAX. 6-Speed Automatic Electronic with Overdrive 4WD Cocoa/Dune Cloth. Odometer is 65690 miles below market average! 16/22 City/Highway MPG Awards: * 2015 KBB.com Brand Image Awards The # 1 deal at # 1 Beal