One problem related to loud engine noise has been reported for the 2015 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Ford Mustang based on all problems reported for the 2015 Mustang.
2015 Ford Mustang gt with about 43,000 miles. While driving car on residential street at about 30 mph, loud noise came from engine, pulled over and turned car off. Car no longer cranked. Towed car to mechanic and he stated that likely engine seized and a factory defect. Engine was well maintained and showed no symptons of engine problem prior to failure. Attemped to call Ford multiple times at the phone number (1-866-436-7332) on NHTSA site and placed on hold for multiple hours without any answer.