It is generally allowed to make one-way rentals between SIXT stations in Hungary. An additional fee may apply.
You need to have a valid driver’s license that you have held for at least 1 year, plus an ID or passport. Renters with licenses using a non-Roman alphabet like Cyrillic or Arabic also need an international driving permit.
The minimum age for a SIXT rental in Hungary is 21 with a license held for at least 1 year. Some car categories have a higher minimum age, and an underage driver fee applies to those under 25.