using oil

!998 plymouth breeze uses quart of oil a week in about 400 miles.Smokes very little.What gives?Oil changed every 3000 miles.No oil leaks on ground.

!998 plymouth breeze uses quart of oil a week in about 400 miles.Smokes very little.What gives?Oil changed every 3000 miles.No oil leaks on ground.

Theres only 2 ways to go. It's either burning it or leaking it. High mileage?