Timișoara starts a western Romania journey. Check written permission before any proposed Serbia or Hungary crossing.
Use the airport and supplier’s current car-rental information to agree the handover. Verify the terminal or meeting point, opening hours and return address for the specific booking.
A car helps connect Transylvanian towns, rural guesthouses and routes away from mainline rail. It is less convenient for a Bucharest-only break. Choose rental dates around countryside travel and keep the first drive modest after a flight.
Compare airport collection with a later collection if you start with a city stay. Include the transport to a different rental branch and any extra parking nights when comparing the total cost.