SIXT Rent a Car - Denver International Airport (DEN)

Reviews

• DW

  Derek Wong

  3 days ago
  1.0
  The post-rental handling of a damage claim by Sixt raises concerns regarding transparency and process controls. No damage was documented or communicated at the time of vehicle return. Subsequent to the completed rental, a damage claim was issued. The issuance of a claim after a vehicle has been accepted without documented exception reflects a breakdown in standard return procedures and raises legitimate questions regarding oversight and verification practices. The matter was submitted to insurance, and payment was remitted by the carrier in connection with the claim. Following that payment, additional charges were asserted as outstanding. These amounts were not clearly itemized in the original claim documentation. Further correspondence referenced potential referral to collections absent payment. Fundamental expectations in the rental car industry were not met and have great room for improvement. Inquiry submitted with Better Business Bureau. With numerous established rental providers operating at the airport, take your business elsewhere.
• MM

  MattC

  5 days ago
  1.0
  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 and claimed it was “denied.” Yet somehow Sixt still placed $1,000 in holds on that same card. So the card clearly worked — their system didn’t. When I got to the counter, I spent 1 hour and 45 minutes with staff who could not resolve the issue. Because of Sixt’s failure, I lost my original reservation and was forced to rent a different vehicle at a higher price. I literally paid more because their app malfunctioned. Now the worst part: more than two weeks later, Sixt is STILL holding $1,000 of my credit limit hostage. I’ve had to spend additional personal time chasing down a release for funds they never should have held in the first place. I’ve been a loyal Sixt customer, but this experience completely destroyed my confidence in the company. A broken app, incompetent resolution at the counter, extra charges, and $1,000 tied up for weeks — all caused by Sixt. If this is how they handle payments and reservations, I strongly recommend renting elsewhere.
• AR

  Adrian Rivera

  Feb 24, 2026
  5.0
  I flew into Denver needing to switch my original reservation since the drive to Aspen had seen a lot of snow over the past couple of days. From the moment I walked in, Irfan greeted me with a great attitude and was ready to help. Being from Florida, it was really helpful to have someone who was knowledgeable about the drive and took the time to understand my needs given I'd never been around the area. Not only did he help me find a car that made sense for the drive I had ahead, but he matched me with the kind of car I would be most comfortable in given my driving tendencies back at home. I'm really glad he guided me the way he did, because it completely changed the experience. What could've been a stressful rental ended up being smooth, and I ended up truthfully enjoying the drive a lot more than I expected. This was my first time renting from Sixt, and thanks to Irfan's standout customer service, I'm confident it won't be my last. His help made a big difference, and it's the kind of experience that sticks with you. Thanks Irfan.
• AM

  Andrea Mann

  Feb 21, 2026
  5.0
  Ever feel like companies don’t have your back? Well, you won’t experience that here. A huge shout out of gratitude to Nabr and the other staff at Sixt. This trip was a collection of many things that went wrong. My reservation was booked for next month, but Nabr found a car for me and offered to resolve the incorrect booking (canceling the future booking). That’s what assisting the customer holistically looks like - not just handing out keys. Now the incident that sums up my trip so far…when I returned the vehicle, I was foolish enough to forget my coat in the back seat. Of course I didn’t realize I left my winter puffer until I exited airport security and was on my way to the gate. Once back at the rental lot, Nabr recognized me and immediately got up to help me search for the vehicle. He looked in the wash area, the lost and found area, the return area, but nothing. Here’s the thing, he didn’t give up. He headed to mechanic area - and found it. I was so grateful I could have hugged him - I almost told him I loved him 😂 Now the shuttle drivers, luckily both shuttle drivers stayed calm, which kept me from panicking - well, from panicking more than I was already doing so. On the way back to the rental lot, the driver assured me my beloved coat would be waiting for me. I had the most wonderful chat with a female driver on the way back to the airport. I think she is licensed to drive 18-wheelers! We shared stories and I so appreciated her perspective. I wish I asked her named, but she knows who she is. Her calm demeanor was thoroughly appreciated while I quietly counted out how many minutes it would take to get back to the airport, find the TSA line (this was my first time at the Denver airport), get thru security (again) and then to the gate which had already changed once during my side quest. In the end, everything worked out, and I am so thankful for the folks at Sixt in the Denver airport. Thank you!
• JM

  Jeff D. McDougall

  Feb 19, 2026
  1.0
  I rented a vehicle through SIXT for a family trip. Upon arrival, I was handed keys to a vehicle which was a Volvo rather than a claimed Mercedes “or similar” during checkout. The vehicle did not have the booster seat in the vehicle which I had to return to the office to retrieve myself. Upon return of the vehicle, I received an email stating the vehicle was damaged and I would be held responsible for that damage. The photograph provided showed a scratch on a rear wheel and the claimed expense was approximately $550.00 to repair. At no time during our family trip did I make contact with another vehicle, object, or road hazard. This damage was either caused during a previous rental or may have been an employee as they often drive the vehicles around the lot. I attempted to challenge the claim and was almost immediately met with a response that the challenge was rejected and I would still be held responsible. In order to avoid an issue with collections, I agreed to pay the amount of or repairs and labor which was approximately $340.00 but an additional $200.00 “admin fee” was added to my the claim. I will never in my life rent through SIXT or refer anyone, family, or friends to do so. After renting vehicles my entire adult life, this was by far the worst and most costly rental experience I have had and I hope this prevents at least a few people from the same.