There are several websites online where you can purchase used cars in the Chicago area. Such websites included, DriveChicago, AutoTrader, CarsForSale and EnterpriseCarSales.
You can try GovernmentAuctions.org - they have listings for tons of cars from throughout the country. All of their listings are either seized or surplus vehicles, but they also have cars that are scrap or inoperable. You can salvage them and restore them or use them for parts.
You can search for cars for sale in your area by visiting various websites with listings searchable by location. These may include Craigslist (search under the auto section). Edmunds and cars.com also has a searchable database of new and used listings in your area.
There are many places to find listings for cars that are for sale by owner. The largest site for finding for sale by owner listings for cars would be Auto Trader's website.
Looking for how many cars are registered in Chicago and where is the ranked among other major cities
Autotrader.com can give you a very good listing of used cars in your area.
Auto Warehouse is a very good place to buy used cars in the Chicago area. They have special internet pricing and/or you can request a bottom line price.
One can find listings of rally cars for sale on websites such as MotorsportAds or PistonHeads. Another website where one can find such listings is eBay.
One looking for a used Toyota Landcruiser they may look at local site listings such as CarGuru or AutoTrader. However, If one is looking to see the car onsite at a dealership, they might look at Anderson Cars of Chicago.
Used cars can be purchased from all good car dealerships and garages in the Ottawa area. Check the local listings for dealerships and garages and for a deal.
For a great list of used or new cars www.autotrader.com is a great resource to find what your looking for in your area.
Many Cadillac car listings can be found online. Yahoo has an auto section that lists a lot of Cadillacs that are for sale. One can look up cars for sale in their area.
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.