차 마일리지 수정했는지 언제했는지 확인하는게 가능한가요?

가장 쉽고, 확실한 방법은 잘아는 메카닉한테 인스펙션 하는거같네요.

https://kenyacarbazaar.com/blog/car_care_maintenance/how-to-know-if-your-cars-mileage-has-been-changed/#:~:text=%20How%20to%20know%20if%20your%20car%E2%80%99s%20Mileage,oil%20change%2Fmaintenance%20receipts%20%26%20inspection%20stickers..%20More%20

https://www.simple-car-answers.com/Odometer-Mileage-Tampering.html

https://www.yourmechanic.com/article/how-to-detect-odometer-fraud