Vienna is one of the few European capitals where the "how do I get around" question genuinely has two good answers. The U-Bahn is fast, clean, and goes almost everywhere. But a car gives you freedom the moment you want to leave the Ring. So which one is actually right for your trip? Below is a practical, cost-based comparison to help you decide — plus a third option that quietly beats both for sightseeing days. Vienna's Public Transport System: What It Actually Costs in 2026