Most of the rentals around my neck of the woods are VWs or entry-level Mercedes. The two seem approximately equally bad; they both have the exact same problems with cruise control, lane assist beeps, speed limit beeps, "take a break!" beeps, and so on.

I've heard that Dacia has some models that are like 2008 throwbacks, with "modern" annoyances kept to a bare minimum, but they're considered too low-market for the rental companies, I suppose. I'd consider that sort of thing if I were looking to buy a new car, money no object.

But really a well-maintained vehicle that's ~15-20 years old suits me just fine.

There is a minimum intrusiveness required by law, though. One could even say it's intrusive by design, depending on your perspective