GMC SLT 2013 Automatic Gasoline mileage: 156 KM 4WD Peace, mercy, and blessings of God be upon you. GMC Terrain model 2013. Very low actual mileage, only 145,000. Clean engine. Machine, gearbox, and air conditioning are excellent, ماشاء الله. 6-cylinder engine, 3.6L size. Very clean interior without any tearing or cracking in the decorations. Full options. Sunroof. Navigation screen with rear camera. Sensors. Pioneer speakers. Heated seats. With all other known options.