Renting a car in Kuwait is considered comparatively easy. In addition to their main offices, most the cars rental companies have branches in the main hotels in Kuwait. Also, branches of some companies are available in Kuwait Airport. If you are a non-Kuwaiti (Foreign) and you have a visit visa, then, you must have an international driving license in order to rent a car. The driving license issued from your country will not be valid in Kuwait.
You must be at least 18 or 21 years old in order to rent a car.
Car Rent List in the Airport
Car Rent List in Kuwait