To rent a Land Rover Defender from RealCar, you must be at least 21 years old, hold a valid driver's license with no major moving violations or DUI convictions, and present your license to RealCar when you receive your vehicle. If you are under 25, you may need to demonstrate at least two years of current, U.S.-licensed driving history, and if you hold a foreign license, you must be at least 25 and show your passport and a photograph of your license.