Well it depends what town / city you live in, most of the towns in the world normally have car dealers / used car dealers which are normally located on a main street.
If you are looking in Brisbane or Melbourne then Local car buyer is the best option.
There are many used car dealers in Winnipeg. Some dealers sell trucks, some sell cars. Search the classified ads of the local paper, or talk to friends, for a local dealer.
The best way to find local used car dealers is to look in the back of your local newspaper or free magazines. There will usually be a section where people advertise things they have for sale.
Auto trader, eBay, used car dealers, new car dealers, and your local classifieds.
Contact your local DMV.
Some are, some are not.
You can check on craigslist and at local used car dealers.
One may find local used car dealers by using the resources of the site "Edmunds". One just enters their post code in the dealer locator form and a listing will be displayed.
Check ebay -Auto as well as your local used car dealers.
Some from Toronto auction at Milton, some from private customers such as trade in, some from other dealers. Used car dealers usually get their vehicles from leasing companies, vehicle auctions, and trade-ins.
To check for local car dealers, try looking at Craigslist for possible sellers. If that doesn't help, try looking for car shops (most companies/shops have used cars).
It depends on the dealer. Check online first to see what the prices are for new and used cars of the model/make that you want. Then try to find local car dealers that match or beat those prices.
Check your local newspaper classifieds, local used car dealers, eBay, Craiglist, etc.