Out of all the popular cities in Poland, Poznan is the cheapest city to rent a car in at just C$ 14/day. Renting a car in Poznan is 58% cheaper than renting one in Łódź where the per day rate is around C$ 34. Other fairly inexpensive cities in Poland to get a rental car in are: Wroclaw (C$ 18/day), Katowice (C$ 18/day), and Warsaw (C$ 23/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Warsaw should expect to spend around C$ 23/day on their transportation. The most popular city to rent a car in Poland is Warsaw.