Common Kia Niro Problems, Faults, and Repair Costs
Every known Kia Niro MOT issue, ranked by how common it is and what it costs to fix. Based on 79,691 real MOT tests across 7 model years.
Segment: small family car | Fuel: Hybrid
91%
Kia Niro pass rate
86%
Kia average
82%
National average
The Kia Niro has an average MOT pass rate of 91%, which is 5 points above the Kia average and 9 points above the national average. The KIA NIRO has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Check Your Kia Niro's MOT History
Enter your reg plate to see the specific issues found on your car, plus a health score and running cost estimate.
Most Common Kia Niro MOT Issues
Ranked by how likely they are to affect your Kia Niro, with typical repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Suspension
Moderate likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Tyres
Moderate likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Exhaust & Emissions
Moderate likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Steering
Moderate likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Body & Structure
Lower likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
Is your specific car affected?
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Kia Niro Reliability by Year
MOT pass rate for each model year, based on real test data
Kia Niro Running Costs
Want to know the full annual running costs for the Kia Niro? Including fuel, tax, insurance, and predicted repairs based on MOT history.
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Kia Niro FAQ
What are the most common Kia Niro problems?
The most common Kia Niro MOT problems are brakes, lights issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 79,691 real tests.
Is the Kia Niro reliable?
The Kia Niro has an average MOT pass rate of 91%, which is 9 points above the national average of 82%. This is considered good reliability.
Which year Kia Niro is most reliable?
The 2020 Kia Niro is the most reliable year with a 93% MOT pass rate. Avoid the 2017 model year if reliability is your priority, as it has the lowest pass rate at 88%.
How much does it cost to fix common Kia Niro faults?
Repair costs vary by issue. Brake work on a Kia Niro typically costs £80-£450, suspension repairs cost £150-£600, and exhaust/emissions fixes cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Kia Niro
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Kia Models
Common problems pages for other Kia models