Denver International Airport - DEN, offers a variety of options for vehicle rentals. All of the rental car companies serving the airport operate from this consolidated facility. The Rental Car Center is approximately five minutes from the terminals by shuttle. Shuttles depart every five minutes from outside Baggage Claim/Arrivals Level 5 at Jeppesen Terminal . Rental Car companies serving Denver Airport: Alamo, Avis, Budget, Dollar, Hertz, National, Thrifty. In order to rent a car in Denver, Colorado the renter must be at least 25 years of age, have a valid permanent (not temporary) driver’s license from the country of residence (non-U.S.), and a major credit card in his/her name.