The contact owns a 2018 Ford Focus. The contact stated while driving at an undisclosed speed, the vehicle shuddered abnormally while attempting to shift gear. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that the clutch assembly had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 130,000.