I would get a CarFax report on this vehicle. Go get the VIN and spend the little money it costs, many states have requirements for salvage vehicles and even if the title is clean, checking FOMOCO and CarFax for a title history can give you an idea of what this thing’s been through.
What it sounds like to me is a story I heard on the radio: host’s wife has wanted a Prius for years but he refused to pay a premium price for one. Earlier this year the new models were coming out and he was able to get last year’s at a discount. While on the lot, there was one a couple years older for several thousand more. A few weeks later this host was looking at the dealer’s site and saw the same car deep discounted because it wouldn’t sell. About a year ago, gas prices in our area shot way up and drove demand for hybrids way up. Once the gas supply got back to normal and prices dropped, the dealers almost couldn’t give the hybrids away.
Probably the dealer bought it thinking they could get a premium price and they still want to make every penny they can rather than taking a reasonable offer to move the inventory.