Why would you buy a modern diesel doing 6000 miles per year, and presumably a lot of short journeys? They mostly have DPFs now and they do not like short runs. My money would be on a petrol model, if its an estate required you could do a lot worse than a Ford Mondeo....such as...
http://www.autotrader.co.uk/classifi...ge/1?logcode=p
Congrats BTW