Sierra Z71 full specifications, front and rear sensors, lane departure warning system, collision system, anti-skid system, rear camera, large screen Separate button to disable anti-skid, separate button to disable airbags, light and heavy dual transfer case, differential lock It came with minor rear quarter panel damage, which has been repaired without painting. The panel is not rusted, but it was mentioned for disclosure purposes. Mileage 450,000, engine was disassembled at 380,000 to modify the DOD system, a known issue in American vehicles, fixed by a professional technician in Riyadh, switched from 8 cylinders to 4 cylinders Additions LED lights on all fenders Roof light socket LED lights inside the trunk LED light with socket inside the engine bay Spotlights mounted on the engine bay All lights have dedicated switches without any drilling in the interior trim Custom Burl wood trim + hollow lead trim Original trim available Original 17-inch rims Original 20-inch agency rims available 170-liter water tank Basin cover from a well-known company