I WAS MAKING A SLOW SPEED (~25 MPH) LEFT TURN WITH MY 2007 SUBARU IMPREZA 2.5I STATION WAGON ON A DIMLY LIT INTERSECTION AT NIGHT DURING THE RAIN. I MISJUDGED THE TURN, AND TURNED ABOUT 2 YARDS TOO EARLY. I DROVE OFF THE ROAD AND INTO A DITCH, COLLIDING HEADON WITH A CONCRETE STORM DRAIN. THE DRIVER SIDE AIRBAG DEPLOYED AT THE MOMENT OF IMPACT. AFTER THE IMPACT, THE ELECTRICAL INCLUDING THE HEADLIGHTS, STEREO SYSTEM AND CABIN LIGHTS WERE FUNCTIONING. I WAS ABLE TO EXIT THE CAR, AND SPOKE WITH A WITNESS WHO WAS ABLE TO CALL THE POLICE DEPARTMENT. WHILE WAITING FOR THE OFFICERS, ABOUT 6 MINUTES AFTER THE COLLISION THE FRONT OF THE CAR BEGAN TO SMOKE. ABOUT A MINUTE LATER, A FIRE BEGAN BEHIND THE RIGHT PASSENGER SIDE HEADLIGHT. WHEN THE OFFICERS ARRIVED ON SCENE, THE FIRE HAD PROGRESSED SO THAT THE ENTIRE ENGINE COMPARTMENT WAS ON FIRE. BY THE TIME THE FIRE DEPARTMENT ARRIVED, THE HEAT OF THE FIRE HAD EXPLODED THE RIGHT FRONT PASSENGER TIRE. THE CAR WAS DEEMED A TOTAL LOSS BY MY INSURANCE COMPANY. *TR