GMC Sierra Z71 2011 Automatic Gasoline mileage: 300 KM or more 4WD 2011 Sierra, double 6-speed. Full repaint. Inspection and registration valid. Has a duplicate plate. 6.2L LS3 aluminum block engine. Stage 2 silent cam. LS7 lifters. LS2 throttle body. Limited-slip differential. High-pressure Melling oil pump. NGK performance spark plug wires. Volant intake filter. Headers and Y-pipe. FDR cat-back exhaust. Tuned by ((Mashari Al-Shammari)), +420 HP safe tune. Profender shocks. 40,000 BTU transmission cooler. Performance gauge. High beam light disabler. ABS disabler. Additional isolated battery with a safety switch and custom connectors inside the car. Comes with a bedliner that needs repair. Also has added zippered pockets behind the seats.