Stuttgart Airport cooperates with several international car rental dealers: Avis, Budget, Enterprise rent a car, Europcar, Hertz, Thrifty, Sixt. Also, there are several regional car rental companies: Glbal Drive and Buchbinder rent a car. Car rental points are located in the 2nd terminal. To find them, you need to go out of the baggage claim area, turn right and follow the signs to rental points. If you are in the 3rd or 4th terminal, go through the crossing to the 2nd terminal (car rental points are located in front of the security zone).
Companies offer to book the car you need in advance via online services or by phone. You can find the contact data on the website of the airport.
Rented cars are taken in parking lots in front of the terminals. Cars are returned in accordance with the rental contract. Companies provide various car models, from budget to luxury ones.