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

Very disappointed. I returned my vehicle feb1st. They still have not closed my ticket out. I rent from Sixt weekly due to work in DC. Colorado is by far the worst. I've NEVER experienced this but now

One of the worst rental experiences I've ever had. I will never rent from Sixt again. I wish i can give zero rating. When I returned my vehicle at Denver Airport, the Sixt agent suddenly claimed there