VEHICLE WAS IN MOTION WHEN STRANGE ODOR DETECTED THEN SMOKE FROM ENGINE AREA WAS NOTICED. PULLED CAR INTO PARKING LOT AND SHUT DOWN ENGINE BECAUSE THOUGHT MAY BE OVERHEATING. NONE OF GUAGES REFLECTED THIS, HOWEVER, THERE WAS NO OTHER LOGICAL EXPLANATION. WAS GOIN TO OPEN HOOD WHEN NOTICED FLAMES. IN MATTER OF MINUTES, VEHICLE WAS COMPLETELY ENGULFED IN FLAMES. WAS A TOTAL LOSS.