The contact daughter owns a 2016 Hyundai Elantra. The contact stated that while her daughter was driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was able to restart after 5 minutes. The vehicle was towed to the dealer where is it was diagnosed with engine failure, and that the catalytic converter failed due to oil entering from the engine. The contact was informed that the engine and catalytic converter and engine needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 80,000. The VIN was not available.