Out of all the popular cities in Poland, Wroclaw is the cheapest city to rent a car in at just C$ 9/day. Renting a car in Wroclaw is 79% cheaper than renting one in Lublin where the per day rate is around C$ 46. Other fairly inexpensive cities in Poland to get a rental car in are: Poznan (C$ 11/day), Krakow (C$ 12/day), and Warsaw (C$ 21/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$ 21/day on their transportation. The most popular city to rent a car in Poland is Warsaw.