Driving fun and fuel economy aren't always oxymorons

10th: 2008 Porsche Cayman – $49,400 base price

A Porsche on a fuel-economy list? Even in 10th place, that's impressive, and there's little about the 2008 Porsche Cayman that doesn't impress. From the styling to the snug interior to the handling, this little car is all Porsche. It drinks as much premium fuel as the Porsche Boxster -- number nine on this list -- and comes in 10th because of its higher base price.

Annual Fuel Cost
$2,825
City/Highway/Combined
20 mpg/29 mpg /23 mpg (with five-speed manual transmission)
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