Well I did the deed and paid a deposit on the below.
https://www.wheelcitymotors.co.uk/details/used-car-in-cf819ad/audi/a6/2.0/1115191/
It has a full history and all belts and gearbox done at 80k, drives like a dream, quiet no knocks or bangs and comes with a 8 month warranty , picking it up next Saturday.