5. New Jersey
Annual cost: $3,068
Why it's so bad: This is actually more a question of why New Jersey isn't worse. Take all the demographic factors that work against Maryland and magnify them -- insurance is actually higher at $1,905 a year, New Jersey is the most densely populated state, and its overall fuel economy is straight outta 1992. But... the average driver in NJ doesn't go all that far, and when he or she needs to fill up, NJ has some of the cheapest gas in the country, thanks almost entirely to the lowest state gas tax (10 cents).
Annual cost: $3,027
Why it's so bad: It's not that there's any one section that's bad here, it's that none of them is particularly good. The fuel economy is only slightly below average, and the cost of gas is actually on the low side, but that's offset by the extra miles Louisiana drivers incur.
Annual cost: $2,970
Why it's so bad: Cheap gas and fantastic fuel economy generally point to a trend of more miles driven, and Oklahoma comes in about 15% above the 12,000-mile annual rule of thumb. With a gaggle of states tightly bunched between the sixth and 13th slots, that mileage is enough to get Oklahoma into the top 10. Let's face it, though, this isn't the first time Oklahomans will be disappointed with a top 10 finish.