1st Place: 2006 Mini Cooper Combined EPA Fuel Economy: 29 mpg Powertrain: 1.6 liter, 4 cyl., CVT
Really, it is just coincidence that the “Mini” Cooper wins the EPA’s mini-compact segment for best fuel efficiency. Keep in mind that this winning model has the lower-powered 115-horse motor, not the Cooper S version’s racy supercharged engine. But still, having captured the hearts of American car buyers since its re-introduction to the U.S., it’s nice to see a stylish, fun, even practical little hatch top one of our lists. Zipping around in a Mini Cooper is fun, and owning one won’t empty your wallet at the pump.