Pro Ceed ordered.. but dealer says KIA does not give the car FREE!!

Hi, have ordered nen Proceed from the company xxx in xxx. History: – Purchase agreement with all details and delivery time until the end of August for the car created and signed on 02.August – car paid 03.August -Then I have nice.. wait since the car should come already about middle of August I called again and again.. felt 15 times.. again and again I was comforted car comes the next week and so.. 3 days ago it would be the freight forwarder broke and today the hammer.. it offers me a cancellation contract because KIA does not release the car!!! reason: KIA does not want to sell the proceedings so cheaply anymore… I have sonnnnnnnnnnnnnnnnnnnnnn neck.. What do you mean to it? Can I force him to his luck.. contract is contract! _______________________________________