GMC Sierra Z71 2015 Automatic Gasoline mileage: 300 KM or more 4WD For sale GMC Sierra 2015 full option. Specifications: remote start, lane departure warning radar, front and rear sensors, rear camera, and other known Sierra specifications. It has additions: 40,000 BTU transmission cooler, bed liner, original spare tire has not been used. New tires. Mileage: 302,000 km. Color: gray. Engine is guaranteed. Airbags are guaranteed. Original body except for a spray on the fender. Mashallah.