CAR WAS BEING DRIVEN ON A GRAVEL ROAD. THE INSIDE OF THE CAR FILLED WITH SMOKE RAPIDLY AND WITHOUT ANY PREVIOUS INDICATION OF PROBLEM OR WARNING. ALL GAUGES REGISTERED NORMAL. DRIVER EXITED THE CAR AND SAW FIREBALLS FALLING FROM UNDER THE HOOD. THE CAR WAS TOTALLY BURNED AND WAS A TOTAL LOSS. THE MAIN POINT IS THAT THERE WAS NO PREVIOUS PROBLEMS WITH THE CAR AND IT HAD BEEN MAINTAINED PER THE MANUFACTURERS SPECS. WE ARE NOT SURE OF WHAT CAUSED THE FIRE, BUT HAD TO BE RELATED TO FUEL SINCE IT BURNED SO FAST. *AK