The car bought by the loan can be mortgaged, even if the balance has not been paid back, it can also be used as collateral. According to Article 35 of the Guarantee Law, after the property is mortgaged, its value is greater than the balance of the secured creditor's rights, but it shall not exceed the balance. In other words, when the value of the vehicle is greater than the outstanding loan amount, it can be used as re-mortgage. The following are car mortgages with loans: 1. It is sometimes necessary to mortgage a car with a loan. However, due to the different conditions of each bank, the mortgage problem depends on which bank has automobile mortgage at present, including: insurance policies, car purchase invoices and other related documents kept by banks during the loan period; 2. If you choose an auto financing company, then the registration certificate of loan and car purchase needs to be put in the company's mortgage credit card to buy a car. When most banks handle the relevant credit card installment car purchase business, the mortgage contract signed between the lender and the bank will mortgage the car to the bank for risk control. When the lender repays the loan, it can go through the formalities of cancellation of vehicle mortgage registration.