Search results

I have a new 2011 chevy silverado 4x4 Z71 shortbed Ext. cab with the aluminum block 5.3 motor and 3.42 gears. I know that it has only 900 miles on it but it averages 13.8 miles to the gallon. I think that sucks. I'm not even driving it hard. About 220 miles per tank is highway driving. I know...