Out of all the popular cities in Spain, Málaga is the cheapest city to rent a car in at just ₱139/day. Renting a car in Málaga is 75% cheaper than renting one in Bilbao where the per day rate is around ₱595. Other fairly inexpensive cities in Spain to get a rental car in are: Valencia (₱196/day), Santa Cruz de Tenerife (₱211/day), and Madrid (₱244/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Barcelona should expect to spend around ₱592/day on their transportation. The most popular city to rent a car in Spain is Barcelona.