GMC Sierra 2012 For sale Sierra 2012 Full option 6-speed transmission Mileage 540 thousand Body completely repainted for color change Undercarriage completely overhauled All oils are new All seals replaced New tires Has a high-pressure Melling oil pump Has a front lift kit with spacers Has a Dyno tune for removing limiter and rev limiter, and disabling 4-cylinder mode and improving fuel economy Airbags deployed by previous owner, no major accidents Please only serious buyers to contact.