The contact owns a 2021 Cadillac Escalade. The contact stated that while his wife was driving at an undisclosed speed, there was an abnormal sound coming from under the hood. The contact stated that his wife was able to pull over to the shoulder of the roadway and shut off the vehicle. The contact arrived on the scene with a local independent mechanic and became aware of the abnormal sound coming from the engine. The vehicle was towed to a local dealer where it was diagnosed with a collapsed lifter, 2 bent push rods, and that a rotor needed to be replaced. The vehicle was repaired out of pocket. The manufacturer was not made aware of the failure. The failure mileage was approximately 80,000.