No leaks at all. I have triple checked that there's no leaking from the timing chain cover area, valve covers, oil lines, oil filter housing, etc. I even removed all the under body plastics and inspected them for any evidence of drops of oil, they're all dry.
Car - 2013 GS350 F-Sport
Engine - 2GR-FSE
Mileage - 210,000 (owned since 90k, a majority of my miles are highway/interstate)
Symptoms - NONE (besides using oil). No smoke on start up or while driving, car runs/revs flawlessly
At 160k miles I was losing a quart of oil every 1500 miles (regularly...