My 2012 Tundra 5.7 4X4 closed the year with 13,889.5 miles travelled, 1,328.062 gallons of gas consumed, $3,817.14 spent on gasoline, and an average of 10.46 miles per gallon. Not bad considering 9,992.73 miles was towing a 9,000 lb. 5th wheel on our "west coast walk-about". Our highest...