Kia Stonic Connect Mhev MOT Pass Rate
Overall pass rate across all manufacture years, based on 1,068 real MOT test results. Failure rate: 7.2%.
Data from official DVSA MOT testing records
Kia Stonic Connect Mhev MOT Reliability Overview
The Kia Stonic Connect Mhev is a niche vehicle in the UK, with 1,068 MOT test results recorded in our database spanning 3 manufacture years. It has an overall MOT pass rate of 92.8% and a failure rate of 7.2%, which is well above the UK average of approximately 37%.
Based on this data, the Kia Stonic Connect Mhev earns a "Excellent" reliability rating. The average Kia Stonic Connect Mhev presents for MOT with approximately 20,877 miles on the clock. Manufacture year matters: 2021 models achieve the highest pass rate at 93.6%, while 2022 models have the lowest at 87.0%. This 6.6 percentage point difference suggests notable variation in build quality or component durability across production years.
The most common MOT failure for the Kia Stonic Connect Mhev is Tyres, affecting 3.8% of all tests. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. The second most common issue is Brakes at 2.8%. Steering rounds out the top three at 2.6%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
Best Year to Buy
📈 How Each Vintage Ages
Pass Rate by Manufacture Year
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Tyres | 3.8% | 41 |
| 2 | Brakes | 2.8% | 30 |
| 3 | Steering | 2.6% | 28 |
| 4 | Visibility | 2.4% | 26 |
| 5 | Lamps, Reflectors And Electrical Equipment | 1.1% | 12 |
| 6 | Non-component Advisories | 0.3% | 3 |
| 7 | Body, Chassis, Structure | 0.3% | 3 |
| 8 | Suspension | 0.3% | 3 |
| 9 | Noise, Emissions And Leaks | 0.2% | 2 |
| 10 | Identification Of The Vehicle | 0.2% | 2 |
Failures per 10,000 Miles
avg. 20,877 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Tyres | 1.84 | 3.8% | 41 |
| Brakes | 1.35 | 2.8% | 30 |
| Steering | 1.26 | 2.6% | 28 |
| Visibility | 1.17 | 2.4% | 26 |
| Lamps & Electrical | 0.54 | 1.1% | 12 |
| Non-component advisories | 0.13 | 0.3% | 3 |
| Body & Structure | 0.13 | 0.3% | 3 |
| Suspension | 0.13 | 0.3% | 3 |
| Noise, emissions and leaks | 0.09 | 0.2% | 2 |
| Identification of the vehicle | 0.09 | 0.2% | 2 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Kia Stonic Connect Mhev has 20,877 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Kia Stonic Connect Mhev has a mileage-adjusted failure rate of 3.45% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Kia Stonic Connect Mhev MOT Data
The Kia Stonic Connect Mhev is a niche vehicle in the UK, with 1,068 MOT test results recorded in our database spanning 3 manufacture years. It has an overall MOT pass rate of 92.8% and a failure rate of 7.2%, which is well above the UK average of approximately 37%.
For Kia Stonic Connect Mhev owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on tyres and brakes for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Stonic Connect Mhev is likely to perform.
Tyres — 3.8% of failures
Tyres issues account for 3.8% of MOT failures on the Kia Stonic Connect Mhev. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Brakes — 2.8% of failures
Brakes issues account for 2.8% of MOT failures on the Kia Stonic Connect Mhev. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Steering — 2.6% of failures
Steering issues account for 2.6% of MOT failures on the Kia Stonic Connect Mhev. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Frequently Asked Questions
What is the MOT pass rate for the Kia Stonic Connect Mhev?
Based on 1,068 MOT tests in our database, the Kia Stonic Connect Mhev has an overall pass rate of 92.8% (7.2% fail rate).
What are the most common MOT failures on a Kia Stonic Connect Mhev?
The top 3 reasons a Kia Stonic Connect Mhev fails its MOT are: 1. Tyres (3.8%), 2. Brakes (2.8%), 3. Steering (2.6%). Check these areas before booking your MOT.
Is the Kia Stonic Connect Mhev reliable?
With a 7.2% MOT failure rate, the Stonic Connect Mhev is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Kia Stonic Connect Mhev?
Based on failure data, focus on: Tyres (3.8%); Brakes (2.8%); Steering (2.6%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.