Absolutely unacceptable experience with Sixt. I was supposed to pick up a rental on February 9 and attempted to check in through their mobile app while on the shuttle. The app ran my credit card twice

Very dishonest and unethical! On Dec 25 2025, Anthony Rohlicek and his team at SIXT Denver advised me to cancel my car reservation (which I booked through Expedia) so that my mother-in-law would upgra

One of their rental cars sideswiped us and they are refusing to pay, even though the driver and police report show their driver is at fault. They sent the claim through a third party and now we are be