3800Pro Forums banner

oil usage

  1. Oil usage: 1 quart of oil/1200 miles for 225K on clock

    Bottom End
    Is a quart of oil/1200 miles of driving reasonable for a 2002 buick lesabre with 225000 miles. It still passes smog. This is my daily driver (weekly now being retired). I do about 60% highway miles. I have never done anything to the bottom end of the engine. thanks in advance. I use 10w-30...
Top