Kia Optima MOT pass rate and common failures

In 2025, 78.5% of Kia Optima MOT tests were a first-time pass, across 10,954 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

82.1%

All cars: 86.1% (4 points worse). 1,131 tests.

At 6–10 years

80.0%

All cars: 76.1% (3.9 points better). 8,684 tests.

At 11 years and over

63.8%

All cars: 61.3% (2.5 points better). 1,135 tests.

Pass rate by age

50% 60% 70% 80% 90% 4 6 8 10 12 Age at test (years) Age 4: 79% passed first time (62 tests) Age 5: 82.3% passed first time (1,069 tests) Age 6: 82.2% passed first time (2,201 tests) Age 7: 81.3% passed first time (2,843 tests) Age 8: 79.9% passed first time (2,298 tests) Age 9: 77.8% passed first time (771 tests) Age 10: 68.7% passed first time (571 tests) Age 11: 66.8% passed first time (383 tests) Age 12: 64.4% passed first time (455 tests) Age 13: 58.9% passed first time (297 tests) 50% 60% 70% 80% 90% 4 7 10 13 Age at test (years) Age 4: 79% passed first time (62 tests) Age 5: 82.3% passed first time (1,069 tests) Age 6: 82.2% passed first time (2,201 tests) Age 7: 81.3% passed first time (2,843 tests) Age 8: 79.9% passed first time (2,298 tests) Age 9: 77.8% passed first time (771 tests) Age 10: 68.7% passed first time (571 tests) Age 11: 66.8% passed first time (383 tests) Age 12: 64.4% passed first time (455 tests) Age 13: 58.9% passed first time (297 tests)
This model All cars
Figures by age, with typical mileage
Age (years)TestsFirst-time passAll carsTypical mileage
46279.0%86.4%48,750 miles
51,06982.3%84.5%63,750 miles
62,20182.2%81.9%71,250 miles
72,84381.3%79.3%81,250 miles
82,29879.9%76.3%83,750 miles
977177.8%73.1%86,250 miles
1057168.7%70.0%91,250 miles
1138366.8%66.9%101,250 miles
1245564.4%64.4%98,750 miles
1329758.9%62.1%106,250 miles

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

What fails most often

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

AreaOptimaAll cars
Brakes12.8%10.2%
Tyres9.1%8.4%
Lamps, reflectors and electrical equipment5.4%16.6%
Suspension4.1%13.7%
Visibility3.1%5.2%
Steering2.2%2.5%
Noise, emissions and leaks1.7%4.0%
Body, chassis, structure1.0%4.2%

Most common reasons for failing

  1. Brake pads: less than 1.5 mm thick failed 4.1% of tests · what this means
  2. Tread depth below requirements of 1.6mm failed 3.0% of tests
  3. Condition: has ply or cords exposed failed 2.0% of tests
  4. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords failed 1.6% of tests
  5. Track rod end: ball joint has excessive play failed 1.5% of tests · what this means
  6. Malfunction indicator lamp: inoperative or indicates a malfunction failed 1.4% of tests · what this means
  7. Wipers: does not clear the windscreen effectively failed 1.2% of tests · what this means
  8. Headlamp aim: too high failed 1.0% of tests · what this means
  9. Rbt (sp): efficiency below requirements failed 1.0% of tests
  10. Service brake performance: excessively binding failed 0.9% of tests · what this means

Checking a particular Optima?

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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.