Is my thinking unrealistic?

if you dont need to sell, like everyone is saying,sit on it. it will only increase in value despite the economy. i think 4 grand is not too much to ask.it looks like a great driver and it is complete ,running and driving. there is a rotted out , beat up slant 6 74 dart sport here in CO that they are trying to get 2500 for that doesnt even run and has been in a field sitting for 20 years! now that is unreasonable.dont jump on any lowball offers and stay firm at 4000, it is worth that.