Originally Posted by
seawolf
Without knowing the nature of the business relationship between Sixt and who actually fixes the damage (whether in-house or third party), it's hard to say whether it is a profit center or not.
You're assuming that Sixt charges its customers the actual cost of repairing the cars. Based upon the amounts charged, as reported in this thread and others, I believe that there is a substantial markup. I wouldn't be surprised if it's 100%.