The data analysis firm's annual vehicle dependability survey found owners of Lexus, Porsche, and Kia cars reported fewer faults than other brands.
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Lexus has regained the top-spot in the annual J.D. Power vehicle dependability survey, while Land Rover has found itself at the bottom of the list for the second year running.

The study – which ranks car brands sold in the US based on the number of problems reported by customers for every 100 new vehicles sold over a 12-month period – found overall vehicle reliability was at an all-time high.

The average manufacturer experienced 1.21 faults per car, down from 1.34 12 months ago.

"Without question vehicle dependability in the industry is the best that it has ever been," Dave Sargent, vice president of automotive quality at J.D. Power, said in a media statement.

Meanwhile, Kia was found to be the most reliable “mass market” brand (third overall), overtaking Toyota for the first time in the study’s history.

In another first, Tesla was included in the rankings. However, the electric car specialist did not get an official score due to its refusal to permit owner surveys in 15 states.

With 1.76 problems per vehicle in the 35 states reviewed, Tesla would have ranked fourth from the bottom.

Cadillac, Acura, Hyundai, and Mitsubishi improved versus 2019. Conversely, Volkswagen saw the biggest performance slide, dropping from sixth in 2019 (with 1.13 problems per vehicle), to 23rd in 2020 (with 1.63 problems per vehicle).

Here is the full list below.

J.D. Power 2021 U.S. Vehicle Dependability Study

Brand ranking (faults per 100 vehicles)

Lexus 81
Porsche 86
Kia 97
Toyota 98
Buick 100
Cadillac 100
Hyundai 101
Genesis 102
Lincoln 106
Acura 108
BMW 108
Chevrolet 115
Mitsubishi 116
Mazda 121
Industry Average 121
Mercedes-Benz 122
Ram 123
Dodge 125
Mini 125
Subaru 125
Audi 127
Nissan 128
Ford 130
Infiniti 137
Jeep 141
GMC 143
Volvo 143
Honda 145
Volkswagen 163
Chrysler 166
Tesla* 176
Jaguar 186
Alfa Romeo 196
Land Rover 244

*Tesla not included in the overall ranking because data was excluded from 15 US states.