Dealer want to cancel trade in unilatterly

<p>I entered into agreement to buy a 2nd hand Jeep Renegade in exchange for my Jeep Compass.Dealer was invited to view my vehicle but declined,however dealer offered me a price for my car,which I accepted.I collected car at dealer insistence,financed by Absa,car was delivered my a person not employed by Imperial George.After acceptance of new car and travelling back,dealer told me he want to cancel deal because the traded car was falsely represented.Dealer had ample time to inspect and value car,but neglected on their fiscal duties, All correspondence on email!</p> <p>Your advice plse</p>