Used cars may represent one of the best values on the market today. Of course that holds true only if it's dependable. Interestingly, that's one of the nice features about these cars; previous owners have already put them through a real world road test.
By compiling the repair and dependability experiences of car owners, it's possible to assemble a list of reliable used cars. That's exactly what large research organizations such as J.D. Power and Associates does each year. They conduct surveys of car owners to determine their experience with mechanical breakdowns. This research allows them to understand whether or not some of the car's features seemed to "wear out" faster than expected. This information helps buyers of used cars to determine if the vehicle is going to be dependable.
J.D. Power conducts used car research each year, and uses that information to publish ratings. The research they conduct is very comprehensive. They gather the collective experiences of 35,000 owners of cars, SUVs, light trucks and minivans via a questionnaire. This might sound like a lot of surveys, but with all of the possible combinations of car makes and models, they need a lot of information to be able to identify an undependable car from a dependable one.
When they conduct this research, they survey owners of three year old vehicles. In doing so, this survey takes into account the fact most of these cars are no longer covered by the original manufacturer's warranty. This also means that most of these vehicles have been driven enough miles to start to show signs of wear and tear. If they surveyed the owners of cars that were one year old, they might not have enough repair history to provide meaningful results.
The J.D. Power dependability rating is based on categories of problems or symptoms that the 2017 model owners are reporting. The categories in this rating system include:
In the past, J.D. Power car ratings were broken down into three subcategories. First they rated the corporation, then the nameplate or make, finally a model. For example, General Motors is a corporation, which owns the nameplate of Chevrolet, which makes the Malibu. They discontinued this system several years ago, and now only produce full reports at the model level.
In the 2020 study, which is based on the experience of three year old vehicles, the dependability average was 134 problems per 100 vehicles (PP100), or 1.34 problems per vehicle. This was a 1% decrease from the 2019 study.
Genesis ranks highest in vehicle dependability among all nameplates (89 PP100), while Lexus (100 PP100) ranked a close second and Buick taking third place (103 PP100).
Finally, J.D. Power produces used car ratings by the category in which the car competes. The category is usually defined by the way in which a car is used, or the size of the car. For example, there are minivans, sports utility vehicles (SUVs), and there are compact cars. The most dependable used cars, by category include:
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