Japan provides a number of used cars for several years now and each day thousands of individuals buy a used car straight from Japanese car auctions.
The process of importing and buying a used car has grown much simpler with the approach of the Internet. There are numerous dealers everywhere in Japan and around the world who have dedicated website offering you to export used cars from japan or offering a custom car search assistance where they take your stipulations and search the auctions until they find used cars from Japanese auto auctions that match your exact needs.
Onejp.net allows you to buy used cars from japan or from somewhere else. There is a broad variety of export car dealers. Some dealers are huge businesses dealing with large extent of cars while others are single organizers who run their own company. Of course, the larger a business the bigger the expenses and so presumably you'll end up paying a little more in dealer fees but you get extra security from dealing with an established and reliable business. The choice between price and security is yours.