More than half of all vehicles on the road are ten years old or older, according to AAA. "A new analysis of AAA roadside data shows that cars and trucks that are ten years old or older are twice as likely to breakdown compared to newer vehicles," says Garrett Townsend with AAA. The odds of needing a tow quadruples for older vehicles.

If your car ends up in the repair shop, you could be out several hundred up to several thousand dollars. To make matters worse, one in three U.S. drivers say they can't afford an unexpected repair.

AAA recommends having your vehicle inspected before hitting the road this summer. Long trips coupled with hot weather places additional strain on vehicles.

The top three issues that could land you on the side of the road are battery related issues, engine cooling system failures and flat tires.