Q7 fuel drinker / tyre eater / bad handling lump , depending on year might be £550 tax disc,
no thankyou.
D4 4.2 tdi superb car , good fuel economy and reasonable road tax , even though i prefer the D3 in looks.
but
what a machine the D4 4.2 tdi is something else to drive (mapped it's mental)
there's a few about around 50k miles and 20 grand-ish i like this one
remember the newish ones do have adblue
http://www.autotrader.co.uk/classifi...us=1500&page=1