see the ones I'm looking at have 90/100k so what's chances these things have been done ?If I was buying again I'd go for something which had a minimum of production date of 2007 , so first registration year 07/57 ...
I bought a 2005 A6 3.0 TDi ... chain rattle fix is engine & gearbox out job@indi = £2K ...
Mine had 70K on clock@purchase, @80K 3x injectors out of spec, DIY@home install of 6x injectors £1280 ...