GMC Sierra 2014 Used Automatic Gasoline mileage: 400 KM or more 4WD GMC Sierra, half-full trim Model 2014 Mileage 400,000 km Engine is original, lifters changed Transmission is original, torque converter changed, both are manufacturing defects Body is painted on the belt, the roof is intact 4WD is guaranteed Chassis and airbags are guaranteed Additions: 40,000 BTU transmission cooler Sports valve and anti-skid separator, plate, and fishing rod.