You can book your Vienna Downtown rent a car online or over the phone with our friendly team. When you make your car rental reservation tack on some of our useful add-ons and upgrades. We offer great deals which make it easy to enhance your rental car with optional features such as a GPS, child seat, additional driver, insurance packages and more. Please be aware we cannot guarantee you to receive a specific vehicle, but you will receive an equivalent vehicle in your chose car category. From our Vienna Downtown branch, however, you do have the chance to try and reserve the rent a car of your choice thirty minutes before pick up with our Sixt app. Our location provides courtesy 24 hour vehicle returns and the ability to arrange collection outside of hours as well.