Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, 4WD, Dark Titanium/Light Titanium Cloth. Recent Arrival! 4WD 6-Speed Automatic Vortec 5.3L V8 SFI VVT Flex Fuel Reviews: * If you need a pickup truck for work or pleasure and want to limit costl...