This last tank though was 27 mpg freeway only, and the last city/mix tank was 22 mpg... I had to prove it to my foot that my wallet needs to be in charge of the gas pedal for now.
http://scangauge.com/ I custom made a plate to have it mount in the lower radio slot. Looks killer and you can also check codes and have digital gauges too. It is worth it's weight in gold.