subject: Buying a Classic Car in Illinois [print this page] 4. Finally, bring in an outside source to inspect the classic car. Although the seller may want to provide their own mechanic to look things over, it is a good idea to employ your own for the process. In this way, they will have no bias towards the seller and can look at the car with experienced and professional eyes. The mechanic will be able to look past what the outside of the car looks like, and find any problems with its internal functioning. Should there be any problems, it may be possible to barter down the price.