Out of all the popular cities in Italy, Reggio Calabria is the cheapest city to rent a car in at just C$ 8/day. Renting a car in Reggio Calabria is 60% cheaper than renting one in Bologna where the per day rate is around C$ 20. Other fairly inexpensive cities in Italy to get a rental car in are: Olbia (C$ 12/day), Catania (C$ 13/day), and Florence (C$ 14/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Rome should expect to spend around C$ 15/day on their transportation. The most popular city to rent a car in Italy is Rome.