2012 GMC Sierra 1500 4WD SLE Crew Cab. Fire Red 2012 GMC Sierra 1500 SLE 4WD 6-Speed Automatic Vortec 5.3L V8 SFI VVT Flex Fuel Sierra 1500 SLE, 4D Crew Cab, Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, 4WD, Fire Red, Ebony Cloth. " MOTOR TREND CERTIFIED... via AutoRevolution