see, this is what you are expecting.

I expect 335i, Golf GTI, 750/760Li, 535d.
and I am happy to write a one line email after each rental to the customer service, that the price should be adjusted for whatever reason. and within one hour, I'll get the reply which I expect.

now let's come to email communication with Hertz, Avis and Europcar.

but, oh, there is not even an email adress.

coming to the point: Sixt probably has twice the market share than the other competitors. The conclusion would be: germans dont care about customer service, they want great cars.

Sixt can do that, the others don't.

actually, it is a bit more complicated: Sixt lets you feel, you get one of the great cars they have in their fleet. as a normal customer, however, usually you won't get them