j.power is a very authoritative investigation institution in the United States. The agency will release car reliability every year. The first thing to note is that this list comes from the US market, not the Chinese market.
This report statistics on the quality problems encountered in the US market related models in the past 1 year, eventually appearing in every 100 vehicles The number of problems as a score of reliability ranking, that is, the PP100 index. The lower the score, the better the reliability of the vehicle, and the score is of course, the greater the possibility of problems.
Since the model of the US market is very different from China’s domestic models, the power assembly includes the material configuration is different, so this list can only be treated as a reference, for China The market is not much practical.
So let’s take a look at who is the best and worst car brand on this list.
The two brands first ranked are Lexus and Porsche. These two brands have been famous, which is a recognized car quality, more stable two brands. These two brands are also ranking in the Chinese market or in the US market. Because of this, the value of these two brand models is also relatively high. 
In addition to these two brands, the remaining brands have great differences in China and the US market. In this list, Kia cars is the first place in non-luxury brands, even more than Toyota cars in reliability and durability. Although Kia is in the Chinese market, the same list is ranked high, but the list is ranked high, but there is no big sales.
Toyota car is still good in the US market or in the Chinese market, and the good product quality is also exchanged. Comparable sales.
In addition to Kia, Cadillac’s ranking is in the fourth place. In fact, the difference between China’s market is still quite big, and the reliability of Cadillac in the Chinese market is not so high. There are many car owners to complain.Dirak XT5 and other models have quality problems. But in the US market Cadillac, reliability and durability is still very good. 
In addition, it is a big luxury brand of Mercedes-Benz, BMW, and Audi in this list. In China, these three luxury brands are well-deserved, luxurious brands with market dominance, and sales are very high. But in the US market, Germany, luxury cars are not honest. BMW score is only 108 points. Mercedes-Benz and Audi’s scores are under the industry average.
In the luxury brand, in the product quality stability, in addition to Lexus and Porsche, the Korean luxury brand Genis Siji, There is also a good performance of Lincoln.
Other luxury brands are under the industry level, such as our familiar Infiniti, 137 points. Walvo 143 points, Jaguar 186 points, and performance is not very ideal.
The Volkswagen, the first in the Chinese market, ranked third on the list. It can be said that it is very poor grade. Two brands with the worst performance are Chrysler and Jaguar. These two brands are also brands at the end of the list. Whether it is in the US market or in the Chinese market, quality and reliability are relatively poor.