Out of all the popular cities in Japan, Tokyo is the cheapest city to hire a car in at just £29/day. Renting a car in Tokyo is 25% cheaper than renting one in Osaka where the per day rate is around £39. Other fairly inexpensive cities in Japan to get a car hire in are: Okinawa (£31/day), Sapporo (£36/day), and Osaka (£39/day). While these cities typically have cheaper prices than the rest of the country, travellers looking to hire a car in Tokyo should expect to spend around £29/day on their transportation. The most popular city to rent a car in Japan is Tokyo.