We have a 2007 Impreza 2.5i with 5 speed that 3 sons used when they were going to university. I believe we are well over 90,000 miles. Zero problems. Engine still pulls strong. Using 0W40 Mobil 1 right now w/5,000 mi OCI. 1/3 qt oil used between changes. The rest of the car has been bullet proof...