Assumed you mean MarktPlaats.nl; it has been developed by a Dutch person, Bob Crebas, who later sold it to eBay.
Name your own price is an auction, a "sealed bid" auction. The highest bidder gets the good or service and you don't get to hear other participants' bids. A reverse auction is where the prices start...
If you are unsure you'll probably save money buying from a new or used car dealership
(MMR) Manheim Market Report. Report used in valuing a vehicle.
barraks