- JD Power's vehicle-dependability study measures the number of issues reported by owners of three-year-old vehicles.
- In the 2020 survey, respondents reported an average of 134 problems per 100 vehicles.
- Land Rover finished last among 32 car brands, with 220 problems per 100 vehicles.
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Owners of three-year-old vehicles report fewer issues now than they have in the 31-year history of JD Power's vehicle-dependability study, but some brands still lag behind.
For the 2020 version of its study, JD Power collected responses from 36,555 owners of vehicles from the 2017 model year, measuring dependability a few years into ownership. While Genesis led the pack with 89 problems per 100 vehicles, Land Rover ranked last among 32 brands, with 220 problems reported per 100 vehicles compared to an industry average of 134 problems per 100 vehicles.
These are the least reliable car brands based on those metrics, according to JD Power.
T15. Acura

Problems per 100 vehicles: 139
T15. Honda

Problems per 100 vehicles: 139
14. Ram

Problems per 100 vehicles: 140
13. Mitsubishi

Problems per 100 vehicles: 146
12. Mini

Problems per 100 vehicles: 147
11. Mercedes-Benz

Problems per 100 vehicles: 152
10. Subaru

Problems per 100 vehicles: 154
9. Infiniti

Problems per 100 vehicles: 155
8. Dodge

Problems per 100 vehicles: 158
7. Jeep

Problems per 100 vehicles: 159
6. Fiat

Problems per 100 vehicles: 160
5. GMC

Problems per 100 vehicles: 162
4. Volvo

Problems per 100 vehicles: 185
3. Jaguar

Problems per 100 vehicles: 186
2. Chrysler

Problems per 100 vehicles: 214
1. Land Rover

Problems per 100 vehicles: 220
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