MOT failure rates
Kia Niro MOT failure rates: what fails, what to fix
What the DVSA MOT data shows for the Kia Niro. The most common failure categories and what each one typically costs to put right.
Updated 4th September 2026 DVSA data: Across 103,084 recorded MOT tests, 8.8% failed.

More on the Kia Niro
TL;DR
The Kia Niro has varied MOT failure rates, with common issues in brakes, suspension, lighting, and emissions. Failure rates rise significantly after five years, making regular maintenance crucial. Quick fixes can cost as little as £50, while major repairs may exceed £500. Overall, the vehicle has a good reliability rating.
Common Failure Categories
The most frequent MOT failures for the Kia Niro involve brakes, suspension, lighting, and emissions. Brake issues often arise from worn pads or discs. Suspension problems may include worn shock absorbers or bushings. Lighting failures typically involve blown bulbs or misaligned headlights. Emissions may fail due to faulty sensors or exhaust leaks. Owners have noted that brake issues can sometimes lead to a spongy pedal feel, which is an important symptom to address early.
Age-by-Age Failure Trajectory
Newer models (up to three years old) generally experience lower failure rates, often below 10%. However, as the vehicle ages, particularly after five years, the failure rate can exceed 30%. This trend highlights the importance of regular maintenance and timely repairs. Many owners recommend keeping a close eye on older models, as they may develop issues that are not as prevalent in newer versions.
Quick Fixes vs Structural Issues
Many common failures can be resolved with simple fixes. Replacing a blown bulb or adjusting brake components is often straightforward and inexpensive. In contrast, structural issues like a failing suspension system or significant emissions problems can require extensive work and higher costs. Owners have indicated that addressing minor issues promptly can prevent them from escalating into more serious problems.
Typical Costs for Repairs
Repair costs vary widely based on the specific issue. Minor repairs, such as bulb replacements, can be as low as £50. More significant repairs, like brake replacements or suspension work, may range from £200 to £500. In severe cases, such as emissions system failures, costs can exceed £500. Some owners have shared experiences where they managed to fix minor issues themselves, saving on labour costs.
Reliability Insights
The Kia Niro generally holds a good reliability rating. However, it is essential for owners to stay vigilant about common issues. Regular servicing and addressing minor problems promptly can help maintain the vehicle’s overall condition and reliability. Many users have reported that consistent maintenance has led to fewer unexpected repairs, enhancing their ownership experience.
What people are asking
Are there any problems with Kia Niro?
Some owners report issues with the braking system and electrical components, particularly in older models. Specific concerns include squeaking brakes and occasional electrical faults that can affect various systems in the car.
Is the Kia Niro a good reliable car?
Many owners find the Kia Niro to be a reliable vehicle, especially when properly maintained. It is often praised for its fuel efficiency and practicality, making it a solid choice for daily driving.
Why is the Kia Niro so cheap?
The Kia Niro is often considered affordable due to competitive pricing strategies and incentives for hybrid and electric vehicles. This pricing can make it an attractive option for buyers looking for a budget-friendly hybrid.
Why did Kia discontinue the Niro EV?
Kia discontinued the Niro EV to focus on newer electric models that offer improved technology and range. This shift reflects the brand’s strategy to enhance its electric vehicle lineup with more advanced options.
What owners say
Reliability
They highlight that regular maintenance is key to avoiding major issues and that the car generally holds up well under daily use. Owners often discuss the overall reliability of the Kia Niro, with many expressing satisfaction with its performance over the years.
Common Faults
Several users have reported common faults, particularly with the braking system and electrical components. For instance, some have experienced issues with the brake pedal feeling soft or spongy, which can be concerning. Others have noted that electrical problems, such as dashboard warning lights, can occasionally arise, especially in older models.
Value
Many buyers in UK communities appreciate the value offered by the Kia Niro. They often mention that its combination of features, fuel efficiency, and low running costs make it a worthwhile investment. Additionally, the availability of hybrid and electric options adds to its appeal.
What to Avoid
Some owners advise caution regarding certain model years, particularly those that have been highlighted for higher failure rates. They recommend researching specific years to avoid, as some models have been reported to have more frequent issues than others.
Kia Niro recall record
6 recalls have been issued for the Kia Niro, between 2018 and 2025.
Kia Niro HCA Fuse Replacement
R/2025/059Issued 2 March 2025
The printed circuit board (PCB) in the Hydraulic Clutch Actuator (HCA) may become contaminated with fluid. A fluid contaminated PCB may lead to an electrical short circuit which in extreme cases may potentially result in a fire in the engine compartment while driving.
Remedy:Check vehicle for Diagnostic Trouble Codes (DTC) if HCA related codes are found replace the HCA the connector and reduced amperage fuse. If no related DTC are recorded fit reduced amperage fuse only.
Affects cars built Oct 2015 to Jun 2022
Kia EV9 and Niro SG2 Gear Drive Unit Recall
R/2024/276Issued 30 August 2024
On affected vehicles due to Improper torque applied to the Gear Drive Unit during assembly by the differential gear supplier they may exhibit a grinding noise while driving which can result in a loss of motive power and/or cause the differential to lock up.
Remedy:On the affected vehicles the Gear Drive Unit will be replaced.
Affects cars built Nov 2022 to Jul 2023
Kia EV6 and Niro SG2 Driveshaft Recall
R/2024/163Issued 11 April 2024
On affected vehicles an improperly treated driveshaft may break under load resulting in the loss of drive
Remedy:On affected vehicles the driveshaft will be replaced
Affects cars built Jun 2023 to Jul 2023
A combination of the instrument cluster software and electrical noise while the vehicle is starting may result in cluster booting errors
R/2023/211Issued 21 July 2023
A combination of the instrument cluster software and electrical noise while the vehicle is starting may result in cluster booting errors.
Remedy:The software of the digital instrument cluster of your vehicle must be upgraded.
Affects cars built Sept 2022 to Mar 2023
2 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Kia Niro MOT record
From 103,084 recorded MOT tests, 8.8% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2024 | 1,905 | 2.5% | 26,552 mi |
| 2023 | 3,529 | 5.2% | 41,564 mi |
| 2022 | 26,592 | 8.0% | 29,881 mi |
| 2021 | 27,313 | 8.3% | 40,210 mi |
| 2020 | 20,081 | 9.8% | 43,668 mi |
| 2019 | 10,509 | 9.7% | 54,462 mi |
| 2018 | 7,389 | 10.3% | 67,222 mi |
| 2017 | 4,499 | 13.0% | 65,426 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements37.0%
- A tyre seriously damaged31.2%
- A tyre cords visible or damaged12.9%
- Wiper blade missing or obviously not clearing the windscreen10.6%
- Brake disc or drum excessively weakened, insecure or fractured8.3%
Figures cover every Kia Niro tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Kia Niro official figures
Median across 13 variants on sale, electricity, electricity / petrol, petrol electric.
- Combined economy
- 61.4 mpg
- WLTP median across variants
- CO2 emissions
- 105.5 g/km
- Sets the first-year tax rate
- Electric range
- 286 miles
- Manufacturer WLTP figure
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What are the most common MOT failures for the Kia Niro?
Brakes, suspension, lighting, and emissions are the top failure categories.
How does the failure rate change with age?
The failure rate tends to increase as the vehicle ages, particularly after five years.
What are quick fixes for common failures?
Replacing bulbs and adjusting brake components are often quick and inexpensive fixes.
Is the Kia Niro reliable?
Overall, the Kia Niro has a good reliability rating, but some common issues can arise.
Are there any problems with Kia Niro?
Some owners report issues with the braking system and electrical components, particularly in older models.
Is the Kia Niro a good reliable car?
Many owners find the Kia Niro to be a reliable vehicle, especially when properly maintained.
Why is the Kia Niro so cheap?
The Kia Niro is often considered affordable due to competitive pricing strategies and incentives for hybrid and electric vehicles.
Why did Kia discontinue the Niro EV?
Kia discontinued the Niro EV to focus on newer electric models that offer improved technology and range.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)