8,400,000???
If you mean 84k then £10.5k is a good offer. There are plenty of that year with less miles for ~ £8k, e.g:
http://www4.autotrader.co.uk/classified ... ?logcode=p
http://www4.autotrader.co.uk/classified ... ?logcode=p
http://www4.autotrader.co.uk/classified ... ?logcode=p