No queues for car pickup, and the return process is convenient.

I went there early in the morning and got the car after waiting for two groups.

Since we arrived in Frankfurt on an early flight, there were two groups before us, and we waited for a while. I had booked a seven-seater car. The customer service offered us a five-seater Volvo going back to Zurich with a 450 Euro one-way rental fee if we were willing. Considering our comfort, we decided to stick with the seven-seater we originally booked.