1, the installment vehicle cannot be transferred before the car loan is paid off, because the mortgaged vehicle is mortgaged to the bank, and the individual only has the right to use the vehicle, but has no ownership of the vehicle. After the car loan is paid off, they can go through the transfer formalities in the relevant departments.

2. Legal basis: Article 9 of the Regulations on Motor Vehicle Registration.

In any of the following circumstances, registration shall not be handled:

(1) The certificates and vouchers submitted by the motor vehicle owner are invalid;

(2) The certificate of origin of the motor vehicle has been altered or the owner of the motor vehicle recorded in the certificate of origin of the motor vehicle is inconsistent with the identity certificate;

(three) the certificates and vouchers submitted by the owner of the motor vehicle are inconsistent with the motor vehicle;

(four) motor vehicles produced without the permission of the competent department of motor vehicle products in the State Council or imported without the permission of the competent department of motor vehicle import in the country;

(five) the technical data related to motor vehicles are inconsistent with the data published by the competent department of motor vehicle products in the State Council;

(six) the model, engine number, vehicle identification code or related technical data of the motor vehicle do not meet the national safety technical standards.

(seven) the motor vehicle has reached the compulsory scrapping standard stipulated by the state;

(eight) the motor vehicle is sealed up or detained by the people's court, the people's procuratorate and the administrative law enforcement department according to law;

(9) The motor vehicle is stolen or robbed;

(ten) other circumstances that do not conform to the provisions of laws and administrative regulations.

Second, what is the process of buying a car by stages?

1, before buying a car with a loan, you must first prepare your ID card, and the bank is running water;

2. Then choose a vehicle, apply for buying a car by stages, and submit all the information to the car dealer;

3. The bank will review and sign a contract to pay the down payment after the review.