On Monday oil prices hit a nine-month high after Iran stopped exports to Britain and France. The new fear is that higher gas prices will be seen shortly. According to CNN, gas prices are already up nealy 9 percent from the start of the year.

Unleaded gasoline is expected to hit $4 nationwide by summer, and some even believe that their is the possibility of gasoline spiking to $5. Dan Dicker, oil trader, and author of Oil's Endless Bid, told CNN that their is a one-in-three chance of gas reaching $5 a gallon.

With gas prices already high and expected to explode even more, now is a better time than ever to take a look at fuel efficient cars. Car manufacturers like Honda and Toyota are advancing the mileage on their hybrid and electric vehicles. The gas prices may be high, but the prices on these cars don't have to be. The Honda Insight, which features an electric motor, starts off at only $18,350.

Take a look at the slideshow for the 5 best cars to own during high gas prices.