Yeh mate prices are right, got them from fords main website below

http://www.fordvehicles.com/cars/mustang/

and the exchange rate was from http://www.xe.com/ucc/ which updates the shareprice

Live mid-market rates as of 2004.11.10 22:26:55 GMT.
13,500.00 GBP United Kingdom Pounds = 24,930.25 USD United States Dollars
1 GBP = 1.84669 USD 1 USD = 0.541511 GBP