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Best fuel miser
Toyota Prius

Base price range: $21,000 to $23,000
Typical five-year ownership cost: $24,000

Okay, it's not the most gorgeous car on the road. But with an electric motor helping out its gas-powered engine, this hybrid boasts the absolute best fuel economy of any car, period (an EPA-estimated 46 miles per gallon overall, twice that of most cars). The Prius retains 71% of its value over five years. And though it may look small, it has about as much interior space as a Toyota Camry.

NEXT: Best for small families

Last updated April 10 2008: 4:44 PM ET