Welcome to SIXT car rental Denver Union Station. If you need to rent a car in this scenic Colorado city, your best bet is with SIXT. We offer great deals on car rentals whether you need a daily, weekly or even a long-term rental during your adventures in this fantastic city such as heading to the Denver Zoo or visiting the Downtown Aquarium. If you're looking for a cheap ride you can try one of our sporty sedans that offers reliable transportation for a solo traveler or if you have a larger group, fit them all in one of our SUVs. A Denver Union Station car rental from SIXT could not be easier, with our branch location in front of the station.
Many customers praised the friendly and helpful staff, particularly highlighting Anthony and Nick for their exceptional service.
Cleanliness Issues
Several reviews mentioned that the cars were not clean upon pickup, with some customers reporting dirty interiors and exteriors.
Billing Problems
Numerous customers reported issues with billing, including unexpected charges for fuel and cleaning fees, as well as difficulties in getting refunds.
Location Convenience
The location near Union Station was frequently noted as convenient, although some customers found the pickup and drop-off process confusing.
Mixed Experiences
While many had positive experiences, a significant number of reviews expressed frustration with long wait times and poor communication from customer service.
SM
Shantel Mackintosh
4 days ago
5.0
Anthony has great customer service, is very professional and always willing to help 😊
ZX
zhengyu Xiao
6 days ago
5.0
I recommend this company to rent a car, The people who are working there are very nice, respect to the customers and very helpful.
JR
Jessica Rolf
Dec 30, 2025
1.0
If I could rate this company 0 out of 10 I would. The customer service was incredibly rude and dismissive. They are super misleading and will not respond to any inquiries from their customers.
MS
Ma Sim
Dec 20, 2025
5.0
Great Car, nice office located very central, the Agent processing my booking (Anthony) was not only very friendly and polite but also very helpful. Pick-up and return both worked out uncomplicated and smooth. Great Service!
JJ
Justin
Dec 13, 2025
5.0
Was helped really well by Nick. Even though I showed up after closing, he was super helpful and even held my luggage for me. Will definitely rent again from Sixt
Frequently Asked Questions About SIXT Rent a Car Denver Union Station
What services does SIXT Rent a Car Denver Union Station offer?
SIXT Rent a Car Denver Union Station offers car rental services including SUVs, economy cars, convertibles, sports cars, passenger vans, and options for one-way, weekly, and long-term rentals.
Where is SIXT Rent a Car Denver Union Station located?
It is located at 1660 17th Street Suite 110, Denver, CO 80202-1238, US, right in front of Denver Union Station, making it very accessible.
What are the operating hours of SIXT Rent a Car Denver Union Station?
The rental office is open daily from 9:00 AM to 5:00 PM, Monday through Sunday.
Does SIXT Rent a Car Denver Union Station offer any special booking policies?
Yes, they offer free cancellation and rebooking without charge, and no credit card fees are applied.
What payment methods does SIXT Rent a Car Denver Union Station accept?
They accept major credit cards including American Express, Diners Club, Discover, MasterCard, and Visa.
Is SIXT Rent a Car Denver Union Station wheelchair accessible?
Yes, the location has a wheelchair-accessible entrance to accommodate customers with disabilities.
Can customers earn miles when renting a car at SIXT Rent a Car Denver Union Station?
Yes, customers can earn miles through the Miles & More loyalty program when renting cars.
How can customers book a car from SIXT Rent a Car Denver Union Station using a mobile app?
Customers can book via the SIXT App available on iOS through the Apple App Store and on Android via Google Play Store for convenient reservations.
What nearby places can customers visit before or after renting a car at SIXT Denver Union Station?
Customers can visit nearby attractions such as Denver Real Estate agencies, LoDo Physical Therapy, and the Unionstationneighborhood which offers bars and American restaurants, providing convenient options for dining or business meetings.
How can nearby public transit options help customers reach SIXT Rent a Car Denver Union Station?
Since SIXT is located right in front of Denver Union Station, customers can easily access it via various transit options available at Union Station, simplifying pickup and return of rental vehicles.