Collector Cars are actually available throughout the eBay and amazon sites via private sellers. You will need to do some hard looking though as people are insecure and don't want to get scammed.
There are websites where you can look as sale listings for collector's cars. One of the best websites to visit is http://www.autotraderclassics.com/index.xhtml.
You can go to Autotrader.com. They are very popular and have a huge listing of cars for sale by the owner.
Publications which specialize or are devoted to listing used cars, or even new cars for sale might well advertise cars of this type if someone is selling one.
There are many places to find cars for sale. Your newspaper's classifieds, Craigslist, Auto Trader, Car Finder, or Motor Trend can all be used to find BMW cars for sale.
You will have to go to some of the major car websites. You should first try going to www.autotraderclassics.com. There they have a large lone of classic cars for sale.
The "Cars for Sale" website is one devoted to the listing of used cars available for sale from various owners around the United States. There are many listings of 1967 Pontiac GTO's for sale on this site.
MotorTrend has a listing of used smart cars for sale through its website. In addition, listings can be found on many classified advertising services such as Yahoo, Craigslist and publications like the Auto Locator.
Sale listings for a Saab 9000 can be found online from many different car sale listing websites. Some examples of these sites include Auto Trader and Cars For Sale.
Classified Listing are the listing of any products, where you can advertise your product like you can advertise your website of used car for sale or sale of number plates.
Ebay autos offers a complete listing of Volvo cars for sale. It provides a brief description and allows car buyers to email the dealer. The site also list the location. Ebay autos is a great place to purchase cars that offer buyer protection.
Collector cars with all original parts are highly desirable.
Auto trader is the best website I would recommend to start with. It gives a broad listing of all used cars for sale in your area and can also provide recommendations to you.