In a report by Kelly Blue Books, six out of the 10 most fuel efficient models were hybrids, but car buyers looking to “drive green” may want to consider a used version that could save their wallet and the environment at the same time.

For example, the Toyota Prius tops the list with 50 miles per gallon when one combines highway and city efficiency. That fuel savings came at a price, however, as suggested retail in 2009 was around $21,000.

On the other hand, used Priuses from 2004 onward may be found at prices that are up to $8,000 less in New Jersey, allowing customers a less expensive alternative.

The Honda Fit is another gas sipper that can be found more affordably in used variants. 2009 models had a sticker price that started at around $14,500, but cars just a year or two older may be several thousand dollars cheaper.

Savings may continue to add up for customers who choose to drive in fuel efficient cars, as federal forecasts say that gas prices this summer may reach $2.30 per gallon, according to a report in USA Today.

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