CPO도 여러가지 종류가 있고 딸린 CPO에 따라 가격이 달라요. 혹시 영어가 어려우시면 번역기를 돌려보세요.
https://www.cargurus.com/Cars/articles/know-the-difference-dealership-cpo-vs-manufacturer-cpo
https://www.autobytel.com/car-buying-tips/used-car-buying-tips/what-is-dealer-certified-vs-manufacturer-cpo-133503/
Certified Pre-Owned Vehicle: Manufacturer CPO vs. Dealer CPO
https://www.cars.com/articles/factory-cpo-programs-versus-other-certified-vehicles-1420683371763/
https://www.kbb.com/certified-pre-owned/
https://www.progressive.com/answers/what-is-certified-pre-owned-car/