ba xr6 turbo how many k's is to many?

still searching for a xr6 turbo to buy, and quite a few of the ba xr6 turbos seem to have around 160-170 thousand ks
would it be alright to buy an 03 04 model ba with this amount relativley cheap or is this the time when things start to need fixing or replacing?
thanks for your help
would it be alright to buy an 03 04 model ba with this amount relativley cheap or is this the time when things start to need fixing or replacing?
thanks for your help