Out of all the popular cities in Nigeria, Lagos is the cheapest city to rent a car in at just $100/day. Renting a car in Lagos is 40% cheaper than renting one in Benin City where the per day rate is around $164. Other fairly inexpensive cities in Nigeria to get a rental car in are: Port Harcourt ($110/day), Abuja ($117/day), and Benin City ($164/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.