 I did porches this SUV two weeks ago and was at the service twice with same problem-vibration of the vehicle on speed 55 mph and up. Vibration of the engine and all vehicle under red light or any stops with gear on. The service department perform wheel balance and alignment -no change, they offer me to drive any other same stile of the vehicle and what is surprise- SAME problem. Manager told me that is the way how this vehicles perform and live with it. I did made a bid mistake  to porches it-JUNK and this is MY.