Worst years for a KIA Niro
Owners have filed 503 complaints about the KIA Niro with NHTSA across model years 2017 to 2026. More of them are about the engine & cooling than anything else.
Every KIA Niro year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2026 | — | 4 | 1 | 0 | — | Electrical System |
| 2025 | B | 25 | 2 | 0 | — | Other & Unspecified |
| 2024 | C | 15 | 3 | 0 | — | Driver Assist & Collision Avoidance |
| 2023 | F | 71 | 14 | 0 | 5,800 | Other & Unspecified |
| 2022 | C | 42 | 7 | 0 | 60,000 | Brakes |
| 2021 | B | 12 | 1 | 0 | — | Transmission & Drivetrain |
| 2020 | D | 53 | 4 | 4 | 46,000 | Engine & Cooling |
| 2019 | F | 84 | 6 | 3 | 44,850 | Transmission & Drivetrain |
| 2018 | D | 81 | 6 | 0 | 9,700 | Transmission & Drivetrain |
| 2017 | F | 116 | 4 | 7 | 43,750 | Engine & Cooling |
What breaks on a KIA Niro
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 2023
Worst in 2018
Worst in 2017
Worst in 2017
Worst in 2020
Worst in 2018
Worst in 2025
Complaints filed over time
Every complaint about every KIA Niro, by the month it reached NHTSA.
KIA Niro problems by state
Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.
Compare the KIA Niro
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.