GMC Sierra 1991 Used Manual Gasoline mileage: 201 KM GMC Sierra for sale, model 1991. Second owner. Manual transmission, three gears, 4x4. Body is almost like new. Has a distinctive plate and a special tray that cost 7000 SAR. Engine is good. Inspection has expired. Registration has remaining time. Only serious buyers should bid. Sale is by auction, not private. The serious buyer should come and see it.