回复:机油 (synthetic) breaks down in about 100 hrs. So,

来源: 2011-03-12 17:46:44 [旧帖] [给我悄悄话] 本文已被阅读:

it depends on your driving patterns.  If you drive locally, you should consider changing oil every 3-4k miles.  If you drive on highway mostly, you can change oil every 6-8k miles.

Best regards,

Alex