You can't buy a car with a mortgage. Because the first beneficiary of the mortgage car is the bank, and the vehicle registration certificate is still mortgaged in the bank, you can only buy it if you pay off the loan and go to the vehicle management office for mortgage procedures. \x0d\ Automobile mortgage is a loan obtained from a financial institution or an automobile consumption loan company with a borrower's or a third party's car or a self-purchased car as collateral. \x0d\ In any of the following circumstances, the transfer registration shall not be handled: \x0d\ (1) The motor vehicle and the vehicle files are inconsistent; \x0d\ (2) Motor vehicles under customs supervision have not been released from customs supervision or transferred without approval; \x0d\ (3) The motor vehicle is in the period of mortgage registration and pledge filing;