可靠性不会因为Certified而提高。Certified Pre-Owned （CPO）本身是有费用的，会有保修延长...

保养也有规定，否则保修可能作废，要仔细了解合同。

https://www.caranddriver.com/shopping-advice/a15102312/what-you-need-to-know-about-certified-pre-owned-cpo-car-programs-feature/