GMC SLE 2012 Used Automatic Gasoline mileage: 240 KM GMC Terrain for sale, model 2012. The engine is excellent and the gearbox is excellent. The car had an accident on the right side fender and needs AC repair, either freon or compressor. It needs consumables like bushings and possibly a control arm as a result of the impact. The body has dents and scratches. Selling as is, for use or salvage. Registration expired for two years.