This is really a personal preference. Some people feel uncomfortable driving in a foreign country & some like having transportation at their immediate disposal. Other considerations include cost of car rental versus taxis & buses. Driver age requirements vary by rental company, with the minimum age 21 to 25 & a maximum age of 65 to 70.
Companies located at the airport include: Alamo Car Rental, Amigo Rent a Car, Avis Rent a Car, Budget Rent a Car, Dollar Car Rental, Econo Car Rental, Economy Car Rental, Hertz Car
Rental, National Car Rental and Thrifty Car Rental.