I always change my own oil, newer or older car. I have been looking at the Jetta TDI, 2015+. They are pretty good buys (I'm in the US, if that matters.)
I have read this,
What is the cost of general maintenance on VW Jetta TDI (diesel)
But I've never owned a German car. Can you do things like oil changes yourself on a German car? I have always heard, and still do, about all the maintenance required and great expense.