According to the query of Baidu Law Pro. Com, although there is something wrong with the credit information, it doesn't mean that you can't buy a car. You can buy a car as long as you have the ability to repay the car loan. But before buying a car, it is necessary to know your credit information and what measures can be taken to improve it. And anyone's ID card can buy a car, but it will affect the question of who the owner is. It can be seen that no matter who the owner is, if there is a problem with credit information, you can use your relative's ID card to buy a car. This is no problem.