The extras and add-ons that we offer mean that when you choose a car hire at Sofia Radisson Blu Hotel, you can get exactly the right package to suit you. When you make your reservation, tell us what you need. We can provide an extensive range of upgrades, including child safety seats, roof racks, Sat Nav and much more. Our service is available to book online or by phone, which means your car will be waiting for you on arrival. Please be aware, however, that we can only guarantee your booking for a category of car, and not for a specific car model. Make the most of your time in Bulgaria with a Sixt car hire from Sofia Radisson Blu Hotel.