The speed limit in urban areas is typically 50 km/h (31 mph), but it may be as low as 30 km/h (19 mph) in certain residential roads, so watch out for posted signs. The speed limit on rural roads is 100 km/h (62 mph), and the Autobahn usually has no speed limit unless one is posted. Some stretches of it may have posted limits of 130 km/h (80 mph) or lower. Search rental cars on KAYAK