1. Exterior/interior condition of the vehicle 2. Vehicle registration book To check the history of the car 3. The body number must match the information in the vehicle registration book. If there is any change or correction Let's assume that this car is not peculiar. There must be some reason. 4. The mileage of the car must be related to the number of years of the car. If the mileage seems too small It can be caused by winding miles. Recommend to try to bring the car to check the condition for sure. 5. Make an appointment to see the car to check the actual condition of the car again before making a decision. will avoid buying and having to repair endlessly