Out of all the popular cities in Germany, Düsseldorf is the cheapest city to rent a car in at just C$ 20/day. Renting a car in Düsseldorf is 52% cheaper than renting one in Dresden where the per day rate is around C$ 40. Other fairly inexpensive cities in Germany to get a rental car in are: Cologne (C$ 21/day), Berlin (C$ 24/day), and Karlsruhe (C$ 24/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Berlin should expect to spend around C$ 24/day on their transportation. The most popular city to rent a car in Germany is Berlin.