Oil consumption is very moderate. Oil also stays fairly clean between changes, for what that's worth.
Originally Posted by eljefino
How much oil does it burn? I had a 2002 corolla 1.8 that burned a quart every 400 miles. If I shut it off to buy gas, it would restart then stall. It would then restart and run fine. I theorize the valve seals were worthless and it dripped down, fouling plugs. There could be something with oil sloshing around and going somewhere it shouldn't, wreaking havoc. Maybe try parking it facing down as much as possible then coming back the next morning to see if anything weird happens.