Kia Stonic MOT pass rate and common failures

In 2025, 87.0% of Kia Stonic MOT tests were a first-time pass, across 27,854 tests in Great Britain. For all cars it was 71.5%.

Compared with cars of the same age

Older cars fail more often, so a model that’s mostly a few years old will look better than one that’s mostly 12. These figures compare like with like.

At 3–5 years

88.2%

All cars: 86.1% (2.1 points better). 17,751 tests.

At 6–10 years

85.0%

All cars: 76.1% (8.9 points better). 10,103 tests.

At 11 years and over

–

Too few tests at this age to say.

Pass rate by age

60% 70% 80% 90% 100% 3 4 5 6 7 8 Age at test (years) Age 3: 90% passed first time (6,306 tests) Age 4: 87.8% passed first time (4,687 tests) Age 5: 86.7% passed first time (6,758 tests) Age 6: 85.5% passed first time (7,213 tests) Age 7: 83.9% passed first time (2,805 tests) Age 8: 74.1% passed first time (85 tests) 60% 70% 80% 90% 100% 3 5 7 Age at test (years) Age 3: 90% passed first time (6,306 tests) Age 4: 87.8% passed first time (4,687 tests) Age 5: 86.7% passed first time (6,758 tests) Age 6: 85.5% passed first time (7,213 tests) Age 7: 83.9% passed first time (2,805 tests) Age 8: 74.1% passed first time (85 tests)
This model All cars
Figures by age, with typical mileage
Age (years)TestsFirst-time passAll carsTypical mileage
36,30690.0%87.8%23,750 miles
44,68787.8%86.4%28,750 miles
56,75886.7%84.5%36,250 miles
67,21385.5%81.9%43,750 miles
72,80583.9%79.3%51,250 miles
88574.1%76.3%58,750 miles

Typical mileage is the median reading at the test, to the nearest 2,500 miles.

What fails most often

The share of Kia Stonic MOT tests that failed on at least one item in each area, against all cars. A test can fail on several areas at once.

AreaStonicAll cars
Brakes4.9%10.2%
Visibility4.6%5.2%
Tyres3.5%8.4%
Lamps, reflectors and electrical equipment3.4%16.6%
Suspension1.5%13.7%
Noise, emissions and leaks0.7%4.0%
Steering0.4%2.5%
Body, chassis, structure0.3%4.2%

Most common reasons for failing

  1. Wipers: does not clear the windscreen effectively failed 3.1% of tests · what this means
  2. Brake pads: less than 1.5 mm thick failed 2.9% of tests · what this means
  3. Tread depth below requirements of 1.6mm failed 1.7% of tests
  4. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords failed 0.9% of tests
  5. Ball joint dust cover no longer prevents the ingress of dirt failed 0.9% of tests · what this means
  6. Headlamp: not working on dipped beam failed 0.8% of tests · what this means
  7. Washers: provides insufficient washer liquid failed 0.8% of tests · what this means
  8. Headlamp aim: too low failed 0.6% of tests · what this means
  9. Washers: not working failed 0.6% of tests · what this means
  10. Brake discs: significantly and obviously worn failed 0.5% of tests · what this means

Checking a particular Stonic?

See its own MOT history, mileage record and advisories in plain English. Free, no sign-up.

About these figures

Download these figures (CSV) · Other Kia models · All makes

Source: DVSA anonymised MOT test data for 2025. Contains public sector information licensed under the Open Government Licence v3.0. Our own analysis; not produced or endorsed by DVSA.