eBay Classifieds provides a large selection of advertisements for cars and makes buying cars in St. Louis easy and convenient These listings may include a variety of different types of cars, such as convertibles, four wheel drives and Chevrolets, among others. Perhaps you are looking for a new convertible to buy for your spouse's birthday present. Or maybe you are a large family in need of a bigger car for the future. You may also be looking for your first car if you have just been issued a driver's license. A description of the car's condition and mileage may also be included in the advertisement.