The credit quality of the securitized car loan assets would be enhanced if the principal value of securities issued is higher than the principal value of the assets.

The SPV can allow the bank to access cheaper funding if the credit quality of the securitized car loan assets is higher than the credit quality of the bank's balance sheet.

Under a revolving structure, prepayment assumptions are not incorporated, which typically results in principal amounts paid to investors through a series of coupons over the lifetime of the security.

Under a revolving structure, the bank transfers the car loan assets to the SPV and the SPV can issue multiple securitizations, which are priced and traded based on weighted-average life of the structure.