Isn't that the optional tire size on the door sticker? (Limited, etc.) Still stock.
Me, all stock except K&N drop-in. Worse 14.93 mpg, best 23.7 mpg. Last time I did an overall average calculation since new was in Nov. 2009, 18.22 mpg. I think that was over 67,000 miles.
TJKJ, It's...