LTZ 1999 Automatic Gasoline mileage: 190 KM 4WD I am offering a 1999 GMC model, stored. It has 190,000 km, real mileage. Engine, gearbox, and 4WD are guaranteed. The body is clean, no issues. It's only used for long trips. The interior is clean, no complaints, just needs replacement of consumables and a distinctive plate: B B 7788.