87.8%
Kia Stonic
Kia Stonic MOT pass rate and common problems
The Kia Stonic passed 87.8% of its initial MOT tests in 2025, 15.5 percentage points above the 72.3% UK average. The item testers recorded most often was wipers does not clear the windscreen effectively.
Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.
How the Stonic compares
Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.
75.2%
Kia average
72.3%
UK average, all cars
The Stonic runs 12.6 points ahead of the Kia average. It is 4th of the 16 Kia models in the data. The average Stonic arrived at its test 5.1 years old with 35,394 miles recorded.
A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.
Stonic MOT pass rate by age
The same 2025 tests split by the car's age at test.
Kia Stonic cars aged 3 to 5 years passed 88.2% of MOT tests. For cars aged 6 to 10 years that fell to 85%, a drop of 3.2 percentage points.
| Age at test | Tests | Pass rate | vs UK average |
|---|---|---|---|
| 3 to 5 years | 17,751 | 88.2% | 15.9 pts above |
| 6 to 10 years | 10,103 | 85% | 12.7 pts above |
That is a smaller decline than most cars show. The UK average of 72.3% covers cars of every age, so compare like with like.
Where Stonic failures cluster
Every failure item recorded on Kia Stonic cars in 2025, grouped into the DVSA's test areas.
Brakes and visibility together account for 47.7% of recorded failure items. These are recorded failures across the model, not faults every car has.
The 10 most common Stonic MOT failures
Specific items recorded on Kia Stonic cars that failed their 2025 MOT, as a share of all recorded failure items.
Together these 10 items make up 64.4% of everything testers recorded against failed Kia Stonic cars. The rest is spread across many smaller items, and one failed test often records several at once.
What to look at on a Stonic
The recorded failures above, grouped by area, biggest first.
1
Visibility
Recorded most often: wipers does not clear the windscreen effectively, washers provides insufficient washer liquid and washers not working. 22.9% of failure items.
2
Brakes
Recorded most often: brake pads less than 1.5 mm thick and brake discs significantly and obviously worn. 16.7% of failure items.
3
Tyres
Recorded most often: tread depth below requirements of 1.6mm and condition has a cut in excess of the requirements deep enough to reach the ply or cords. 13.1% of failure items.
4
Lamps, reflectors and electrical equipment
Recorded most often: headlamp aim too low and headlamp not working on dipped beam. 7.9% of failure items.
The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific Stonic has failed on these items before, or had them noted as advisories. Buying one? See the used Kia Stonic buying guide.
Already found one?
Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.
Kia Stonic MOT FAQs
What is the Kia Stonic MOT pass rate?
87.8% of Kia Stonic cars passed their initial MOT first time in 2025, from 32,809 tests. That is 15.5 percentage points above the 72.3% average for all cars, and ranks 76th of 575 models.
What does a Kia Stonic most commonly fail its MOT on?
The item testers recorded most often on Kia Stonic cars failing their 2025 MOT was wipers does not clear the windscreen effectively, on 16.1% of failure items. Next were brake pads less than 1.5 mm thick (14.1%) and tread depth below requirements of 1.6mm (7.9%).
Which area causes the most Kia Stonic MOT failures?
Across every recorded failure item, the largest area was brakes at 24.2%, followed by visibility at 23.5%.
Do older Kia Stonic cars fail their MOT more often?
Kia Stonic cars aged 3 to 5 years passed 88.2% of MOT tests in 2025, against 85% for cars aged 6 to 10 years.
Does this mean every Kia Stonic has these problems?
No. These are the items testers recorded across every Kia Stonic that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.
How do I see a specific Kia Stonic's MOT history?
Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.
MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.