I was two and a half hours late to pick up the car and was told the vehicle was no longer available. Communication with customer service was unhelpful (they said it was my fault for not reading the rental terms). I had to negotiate with the car rental company myself, and they finally resolved it (originally rented at Terminal 2, but they contacted Terminal 1 where a car was available).

The reserved car model was unavailable, so they gave us a similar Hyundai i40 wagon, which was very new.

They still charged me over 60 euros for the additional driver fee

This time we rented a car from Europcar, a well-established European car rental company. We picked up the car at Frankfurt Airport in Germany. The car was very new, and we didn’t encounter any forced insurance sales. Despite our not-so-great English, the counter staff was very patient with us and provided good service. We returned the car at a drop-off point in downtown Vienna. Since it was a Saturday and the rental company was closed, we followed the instructions for self-service return, parked the car in the designated spot, and dropped the keys in the box. The pick-up and return process went very smoothly.

Excellent, everything was great