Venture X saves the day from horrible Sixt rental experience
It seems like Hertz was taking up all the oxygen in the car rental complaint threads at least coming to my Reddit feed, so I was unaware until after the fact about how awful Sixt is.
We rented a car for three days from Logan that was fully covered by my Venture X $300 annual travel credit. I had booked a Toyota Corolla, which promised seating for five and room for three bags. Prior to our trip, I had Sixt match my Hertz President's Circle status to their Diamond status. When we arrived to pick up our car, we had been "upgraded" to a BMW series 2, which only had two doors and would not even fit two pieces of luggage in the trunk. We returned to the car rental terminal to wait on a long and slow-moving line to be helped to get a car closer to what we had reserved and were then given an Elantra, which had 10,000 miles on it.
A few hours into our trip, a warning message notified me that an oil change was overdue, which was followed about an hour later with a low oil warning message. I called Sixt and was told that I could go to Pep Boys for an oil change, and they would provide me with a purchase order. Pep Boys had not appointments until the following afternoon, and I didn't want to spend my vacation getting my oil changed in any case, so Sixt then suggested that I buy oil, for which they would reimburse me. I accepted that option.
The next day, even after pouring a full bottle of oil, the same low oil warning message appeared, suggesting a leak. I called Sixt again, and they arranged to have a replacement car towed to meet us at a relative's house where we were visiting. This time, they brought a BMW 3 series, and there were no further challenges for the remainder of the rental, though passing under the infamous AI scanner did portend bad news ahead.
The day after returning the car, I received two e-mails from Sixt, both informing me that there was damage to both the Elantra and the BMW and asked for my justification. In both cases, I replied that any damage to the cars would have had to be caused by the tow truck. That explanation apparently suited them for the Elantra, but I later received another e-mail informing me of $600 in damage from a scrape to the rim of a tire. I paid the outrageous charge and filed a claim with Venture X's third-party administrator (TPA). The adjuster twice asked me for more documentation, which I provided, and about two weeks later, notified me that they were approving the claim and paid it in full the following day.
I will certainly never be renting again from Sixt, and this example serves as another data point that Venture X will pay for car damages even for rentals within the $300 annual travel credit.
EDIT: I forgot to mention that they never reimbursed me for the oil.