A used car sales support system 10 includes a sales request input unit 12 for receiving information related to a sales-requested used car from a sales requestor, a storage unit 14 for storing the information related to the sales-requested used car, a purchase request input unit 16 for receiving an input of information related to a purchase-requested used car of a purchase requestor, a presenting unit 18 for a purchase requestor to extract information of a specific sales-requested used car and present it to the purchase requestor, and a presenting unit 20 for an auctioneer to present to an auctioneer information of a sales-requested used car which is sold at an auction upon the elapse of a predetermined period of time from the date the information related to this sales-requested used car was received by the sales request input unit 12. IMAGE
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