Like you said, a lot of work has been done on your 138k example.

So long as it's been well looked after, should get another few miles out of the engine and running gear. The other bits and bobs? That's always a gamble.

I do agree with on the going French thing...bleugh!!
(Saying that, my Dad had an old Xantia estate with 100-and-something k on the clock...engine was still strong as an ox, was just the hydraulic suspension that let go in the end)