Price , prep , quality , location , wording , pics , where it advertised , how many in your area , model spec , colour of various makes, packages offered , lack of finance , lack of card terminal , restricted opening times , there's lots of reasons that beat the stocking loan question my friend as why a car doesn't sell quickly .
Just remember this simple rule of business
IF YOUR NOT BUSY , ITS YOUR OWN FAULT . simples if you think about it
First hard lesson i ever learnt that was .