13: Acura TL
The TL is by far one of the most underrated cars on this list, as it has been a staple of the Acura lineup. With that being said, the car still has its fair share of expensive repairs that tend to cost drivers a lot of money (via Hot Cars).
What exactly goes wrong when you own a TL? Well, there are a few things that tend to happen with this car. More recently, these issues have been related to the CVT transmission, and there have also been timing chain issues reported.