I have done many UOAs for a variety of oils in my 05 5 speed Vibe. Here are the most recent 3; each about 6 months in length."GC" is German Castrol and "PP" is Pennzoil Platinum (both are considered high quality synthetic oils)
Attached files VibeOilReportswithUNIVERSALaverages.pdf (12.5 KB)