http://www.fueleconomy.gov/feg/Find.do?action=sbs&id=35352&id=34855&id=35297&id=35187I wouldn't go so far as to say that. It all depends on the price of fuel if all you are talking about is fuel cost, and it depends on fuel prices in addition to maintenance cost if your talking about total cost of ownership.
not that it's the source of all truth, etc, etc, but you get the point...