The vehicle was purchased approximately one month before this incident and was represented as inspected. While driving on the highway at approximately 65 mph, the vehicle suddenly exploded near the exhaust area. The engine then began smoking and caught fire. The brakes did not work, and the doors locked, preventing the driver from pulling over normally. The driver had to jump out of the moving vehicle while it was on fire in order to save her life and the lives of her daughter. The exact cause is UNKNOWN at this time. The vehicle is available for inspection. This incident poses a serious safety risk.