Common problems by part
Kia Niro brakes problems
DVSA MOT tests 2022–2025 · 84,396 MOT tests · Updated
At 3 years, 0.7 in 100 MOT tests of the Kia Niro failed on brakes, against 1.7 for all class 4 vehicles the same age (all test years; 84,396 MOT tests) [1].
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- Against all class 4 vehicles the same age: fails less often than all class 4 vehicles the same age (0.4× (0.37–0.43×)) (all test years), 560 MOT tests with a fail
- By age: seen at 7 ages from 3 to 9 years, 237,586 MOT tests
- Most common fail: Handbrake too weak, 0.2 per 100 MOT tests
Figures are for the model as a whole, not for one car.
What the MOT tests show
What we know
0.7 fails per 100 MOT tests at 3 years, against 1.7 for all class 4 vehicles tested at 3 (all test years). The Kia Niro fails less often here.
Why it matters
A brakes fail stops the car passing until it is fixed; the most common one is rated major by DVSA.
What to check
Look through the wheels at the discs for a deep lip or heavy scoring, and check the brake pipes under the car for flaky rust. On the drive the car should stop straight with no pull or judder.
Kia Niro brakes fails by age
| Age | MOT tests | Fails per 100 | All class 4 vehicles the same age |
|---|---|---|---|
| 3 | 84,396 | 0.7 | 1.7 |
| 4 | 65,791 | 0.9 | 2.2 |
| 5 | 42,883 | 1.4 | 2.8 |
| 6 | 24,006 | 2.2 | 3.5 |
| 7 | 13,373 | 3.4 | 4.1 |
| 8 | 5,852 | 4.8 | 4.8 |
| 9 | 1,285 | 5.4 | 5.6 |
All first-use years of the Kia Niro pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years.
What fails in the brakes at 3 years
Fails
- Handbrake too weak: 0.2 fails per 100 MOT tests, all class 4 vehicles 0.1. Parking brake efficiency below requirements MOT fail
- Service brake performance: efficiency below requirements: 0.1 fails per 100 MOT tests, all class 4 vehicles 0.0. Service brake efficiency below requirements MOT fail
- Rbt (sp): efficiency less than 50% of the required value: 0.1 fails per 100 MOT tests, all class 4 vehicles 0.0. Parking brake efficiency less than 50% of the required value MOT fail
- Parking brake performance: inoperative on one side: 0.1 fails per 100 MOT tests, all class 4 vehicles 0.0. Parking brake inoperative on one side MOT fail
Advisories (not fails)
- Brake discs: worn, pitted or scored, but not seriously weakened: 2.7 advisories per 100 MOT tests, all class 4 vehicles 3.9. Brake disc worn, pitted or scored, but not seriously weakened MOT advisory
- Brake pads: wearing thin: 0.3 advisories per 100 MOT tests, all class 4 vehicles 4.8. Brake pad(s) wearing thin MOT advisory
- Service brake performance: binding but not excessively: 0.2 advisories per 100 MOT tests, all class 4 vehicles 0.1. Service brake binding but not excessively MOT advisory
- Brake discs: worn, but not excessively: 0.2 advisories per 100 MOT tests, all class 4 vehicles 1.1. Brake disc worn, but not excessively MOT advisory
Buying a Kia Niro? Check that exact car before the viewing.
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- Model risks for this year and fuel
- What similar cars did at their next MOT
- Repairs ahead
- Viewing checklist
By engine and fuel
- 1.6 hybrid: 0.7 per 100 at 3 years, about average for hybrid class 4 vehicles the same age (all test years; 47,547 MOT tests)
- 0.0 electric: 0.6 per 100 at 3 years, about average for electric class 4 vehicles the same age (all test years; 36,654 MOT tests)
How to check on a test drive
Look through the wheels at the discs for a deep lip or heavy scoring, and check the brake pipes under the car for flaky rust. On the drive the car should stop straight with no pull or judder.
The most common advisory here in MOT records: Brake discs: worn, pitted or scored, but not seriously weakened.
Check one Kia Niro, not the average
The figures here describe Kia Niro cars as a group. These free tools answer for one car. Each line says what the tool reads.
- Check a Kia Niro's MOT history Every MOT test, fail item, advisory and mileage reading DVSA holds for that registration.
- MOT advisory checker Paste an advisory or defect to read DVSA's wording, its grade and what tends to happen at the next MOT.
Other Kia Niro problems
Brakes on rival models
- Ford Puma brakes problems: 0.8 per 100 MOT tests at 3 years, against 0.7 for the Kia Niro (90,734 MOT tests)
- Volkswagen T-Roc brakes problems: 0.8 per 100 MOT tests at 3 years, against 0.7 for the Kia Niro (78,552 MOT tests)
- Nissan Juke brakes problems: 1.1 per 100 MOT tests at 3 years, against 0.7 for the Kia Niro (75,703 MOT tests)
Questions people ask
Does the Kia Niro have more brakes problems than other cars?
0.37 to 0.43 times the brakes fail rate of all class 4 vehicles the same age at 3 years (all test years), from 84,396 MOT tests. The interval is clear of 0.8 in the same direction at 4 of the 7 ages seen (ages up to 18 with at least 100 MOT tests with a fail).
How common are Kia Niro brakes problems?
0.7 in 100 MOT tests at 3 years failed on brakes, against 1.7 for all class 4 vehicles the same age (all test years; 84,396 MOT tests).
What is the most common Kia Niro brakes fail?
0.2 in 100 MOT tests at 3 years: Handbrake too weak (131 MOT tests with it).
Sources
- Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 237,586 MOT tests. Accessed 7 Oct 2026.
Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare