Hi bluefin, I purchased a 2006 Highline two years ago for $36,000 with 120,000 ks on the clock, so assuming yours is in good nick, it seems a fair price
I don't have a service schedule, so cannot help you with that, but there is bound to be one here somewhere. Keep prodding
If it's a TDI, check for soot around the air box. That'll tell you if it has a cracked exhaust manifold, mind did and I missed it.