Out of all the popular cities in Nigeria, Port Harcourt is the cheapest city to rent a car in at just $95/day. Renting a car in Port Harcourt is 62% cheaper than renting one in Abuja where the per day rate is around $250. Other fairly inexpensive cities in Nigeria to get a rental car in are: Lagos ($100/day), Benin City ($133/day), and Abuja ($250/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Lagos should expect to spend around $100/day on their transportation. The most popular city to rent a car in Nigeria is Lagos.