GMC Sierra 2013 Automatic Gasoline mileage: 1 KM Sierra 13, mocha color, Z71, fully loaded, 4x4, 6-speed shifter. Mileage approximately 320,000. The vehicle is suitable for a user and has no issues. Engine and transmission are guaranteed. Engine, transmission, 4x4, differentials are all strong and very responsive. The body has paint from the previous owner. It has modifications and they were costly. Electronic Borla exhaust (old version, desirable sound). AI blow-off valve. Volant air filter. Abu Saqr tuning (throttle response, gear shifts, pops, fans, V4 deactivation, and other known package features). Trucool 40,000 BTU transmission cooler. The vehicle is active, has a discount, and is in good condition, very active. It's used for highways and travel and has no issues. Notes: - Minor maintenance has been done on some undercarriage parts like flanges and... - Slight stiffness in the steering wheel, needs inner tie rod repair, which should not be costly, God willing. Renewed, not inspected.