GMC Sierra Z71 2015 Automatic Gasoline mileage: 300 KM or more 4WD For sale GMC Sierra 2015 full option. Its specifications include remote start, lane departure warning radar, front and rear sensors, rear camera, and other known Sierra specifications. It has additions: a 40,000 BTU transmission cooler, bed liner, original spare tire that has not been used. New tires. Mileage 302,000 km. Color is gray. Engine is guaranteed. Airbags are guaranteed. Body is original except for a fender flare paint. The highest offer is 71,000. Mashallah.