GMC Sierra 2006 Used Automatic Gasoline mileage: 413 KM or more Used GMC Sierra 2006 for sale Automatic transmission Gasoline Mileage: 411 Used GMC Sierra 2006 for sale Automatic transmission Gasoline Mileage: 300 Peace, mercy, and blessings of God be upon you. I am offering for sale a modified Sierra 2002, updated and customized to 2006. The difference between the two models is negligible. Mileage is 413 and may increase. The vehicle has been well-maintained, has a rare color, and was customized by specialists in the Eastern Province, Haider and Abu Fazza, who are visited from the Gulf countries. The vehicle is very clean and a rare piece. Offers vary, and I will not disappoint the serious buyer. The vehicle has an Abu Tair muffler, an electronic bypass, and modified cutouts. 45,000 SAR