GMC Sierra Z71 2008 Used Automatic Gasoline mileage: 400 KM or more Peace, mercy, and blessings of God be upon you. I am offering you a GMC Sierra, engine, gearbox, chassis, and differential are guaranteed. Original body, the rest is negotiable for the serious buyer. It has 400,000 km. Ice-cold air conditioning. It has 900 Shawaheen, its tires are Al-Waleh in storage. Nothing is wrong with it.