Out of all the popular cities in Morocco, Casablanca is the cheapest city to rent a car in at just $14/day. Renting a car in Casablanca is 67% cheaper than renting one in Essaouira where the per day rate is around $42. Other fairly inexpensive cities in Morocco to get a rental car in are: Marrakesh ($14/day), Tangier ($14/day), and Rabat ($14/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Marrakesh should expect to spend around $14/day on their transportation. The most popular city to rent a car in Morocco is Marrakesh.