Hyundai Ioniq MOT pass rate and common problems

The Hyundai Ioniq passed 86.9% of its initial MOT tests in 2025, 14.6 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 Ioniq compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

86.9%

Hyundai Ioniq

73.9%

Hyundai average

72.3%

UK average, all cars

The Ioniq runs 13 points ahead of the Hyundai average. It is 1st of the 17 Hyundai models in the data. The average Ioniq arrived at its test 5.1 years old with 64,659 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.

Ioniq MOT pass rate by age

The same 2025 tests split by the car's age at test.

Hyundai Ioniq cars aged 3 to 5 years passed 88.3% of MOT tests. For cars aged 6 to 10 years that fell to 84.3%, a drop of 4 percentage points.

Age at testTestsPass ratevs UK average
3 to 5 years 29,411 88.3% 16 pts above
6 to 10 years 19,039 84.3% 12 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 Ioniq failures cluster

Every failure item recorded on Hyundai Ioniq cars in 2025, grouped into the DVSA's test areas.

  • Tyres29.1%
  • Lamps, reflectors and electrical equipment26.2%
  • Brakes17.3%
  • Visibility16%
  • Suspension4%
  • Noise, emissions and leaks1.9%

Tyres and lamps, reflectors and electrical equipment together account for 55.3% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common Ioniq MOT failures

Specific items recorded on Hyundai Ioniq cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Wipers does not clear the windscreen effectivelyVisibility 11.2%
  2. 2Tread depth below requirements of 1.6mmTyres 10.9%
  3. 3Condition has a cut in excess of the requirements deep enough to reach the ply or cordsTyres 7.7%
  4. 4Headlamp aim too highLamps, reflectors and electrical equipment 4.6%
  5. 5Condition has ply or cords exposedTyres 4.2%
  6. 6Registration plate lamp(s) inoperative in the case of a single lamp or all lampsLamps, reflectors and electrical equipment 3.8%
  7. 7Rbt (sp) efficiency below requirementsBrakes 3.3%
  8. 8Headlamp aim too lowLamps, reflectors and electrical equipment 3.3%
  9. 9Headlamp levelling device inoperativeLamps, reflectors and electrical equipment 2.5%
  10. 10Service brake performance efficiency below requirementsBrakes 2.5%

Together these 10 items make up 54% of everything testers recorded against failed Hyundai Ioniq cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a Ioniq

The recorded failures above, grouped by area, biggest first.

1

Tyres

Recorded most often: tread depth below requirements of 1.6mm, condition has a cut in excess of the requirements deep enough to reach the ply or cords and condition has ply or cords exposed. 22.8% of failure items.

2

Lamps, reflectors and electrical equipment

Recorded most often: headlamp aim too high, registration plate lamp(s) inoperative in the case of a single lamp or all lamps, headlamp aim too low and headlamp levelling device inoperative. 14.2% of failure items.

3

Visibility

Recorded most often: wipers does not clear the windscreen effectively. 11.2% of failure items.

4

Brakes

Recorded most often: rbt (sp) efficiency below requirements and service brake performance efficiency below requirements. 5.8% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific Ioniq has failed on these items before, or had them noted as advisories. Buying one? See the used Hyundai Ioniq buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Hyundai Ioniq MOT FAQs

What is the Hyundai Ioniq MOT pass rate?

86.9% of Hyundai Ioniq cars passed their initial MOT first time in 2025, from 57,596 tests. That is 14.6 percentage points above the 72.3% average for all cars, and ranks 90th of 575 models.

What does a Hyundai Ioniq most commonly fail its MOT on?

The item testers recorded most often on Hyundai Ioniq cars failing their 2025 MOT was wipers does not clear the windscreen effectively, on 11.2% of failure items. Next were tread depth below requirements of 1.6mm (10.9%) and condition has a cut in excess of the requirements deep enough to reach the ply or cords (7.7%).

Which area causes the most Hyundai Ioniq MOT failures?

Across every recorded failure item, the largest area was tyres at 29.1%, followed by lamps, reflectors and electrical equipment at 26.2%.

Do older Hyundai Ioniq cars fail their MOT more often?

Hyundai Ioniq cars aged 3 to 5 years passed 88.3% of MOT tests in 2025, against 84.3% for cars aged 6 to 10 years.

Does this mean every Hyundai Ioniq has these problems?

No. These are the items testers recorded across every Hyundai Ioniq 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 Hyundai Ioniq'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.