Legal analysis: Buying a car with a loan requires both husband and wife's ID cards, and buying a car with a loan requires valid ID cards, including resident ID cards, household registration books, military officer's cards, passports, and passports for compatriots from Hong Kong, Macao and Taiwan to and from this province. If the borrower is married, the identity certificate of the spouse shall be provided.

Legal basis: Article 1062 of the Civil Code of People's Republic of China (PRC), the following property acquired by husband and wife during the marriage relationship is the common property of husband and wife, which belongs to husband and wife: (1) salary, bonus and labor remuneration; (2) Income from production, operation and investment; (3) Income from intellectual property rights; (4) Inherited or donated property, except as provided for in Item 3 of Article 1063 of this Law; (five) other property that should be owned by * * *. Husband and wife have equal rights to dispose of the same property.