I've only been tracking mileage on this site this year but I've tracked the car since new. 25.66 mpg over the last 5 months is by far the best I've ever done. Last years avg. for the same period was 21 mpg and the year before was 18.73 mpg. The last 2 tanks were over 85% city and still avg'd. 25.1.
My goal was to stay above the Combined EPA over the winter, but I really didn't think I could do it.
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Almost all my driving is done 1-5 miles at a time.
Best short trip: 2.4 l/100 km, 3.9 km