Number 4: 2004-2005 Toyota Prius

Engine: 1.5-liter inline-4
Fuel Type: Regular
EPA fuel economy (city/highway): 48/45 (continuously variable transmission)
Price range: $20,250-23,250
JD Power Dependability: 4 out of 5

How much? Sure it's as miserly as they come when it comes to using fuel, but it will be many years before it saves enough at the pump to make up that difference in price. But there is a hip factor and the knowledge that you are doing your part to make the earth a better place.

Photo credit: Toyota

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