Out of all the popular cities in Tunisia, Tunis is the cheapest city to hire a car in at just £20/day. Renting a car in Tunis is 37% cheaper than renting one in Enfidha where the per day rate is around £31. Other fairly inexpensive cities in Tunisia to get a car hire in are: Monastir (£29/day), Houmt Souk (£30/day), and Enfidha (£31/day). While these cities typically have cheaper prices than the rest of the country, travellers looking to hire a car in Tunis should expect to spend around £20/day on their transportation. The most popular city to rent a car in Tunisia is Tunis.