84.9%
Hyundai Bayon
Hyundai Bayon MOT pass rate and common problems
The Hyundai Bayon passed 84.9% of its initial MOT tests in 2025, 12.6 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 Bayon compares
Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.
73.9%
Hyundai average
72.3%
UK average, all cars
The Bayon runs 10.9 points ahead of the Hyundai average. It is 3rd of the 17 Hyundai models in the data. The average Bayon arrived at its test 3.2 years old with 23,412 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.
Bayon MOT pass rate by age
The same 2025 tests split by the car's age at test.
| Age at test | Tests | Pass rate | vs UK average |
|---|---|---|---|
| 3 to 5 years | 2,209 | 86.7% | 14.4 pts above |
Every Hyundai Bayon tested in 2025 was aged 3 to 5 years, so there is no other age group to compare with. The UK average of 72.3% covers cars of every age, so compare like with like.
Where Bayon failures cluster
Every failure item recorded on Hyundai Bayon cars in 2025, grouped into the DVSA's test areas.
Visibility and lamps, reflectors and electrical equipment together account for 64.8% of recorded failure items. These are recorded failures across the model, not faults every car has.
The 10 most common Bayon MOT failures
Specific items recorded on Hyundai Bayon cars that failed their 2025 MOT, as a share of all recorded failure items.
Together these 10 items make up 71.5% of everything testers recorded against failed Hyundai Bayon cars. The rest is spread across many smaller items, and one failed test often records several at once.
What to look at on a Bayon
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. 48.6% of failure items.
2
Tyres
Recorded most often: condition has a cut in excess of the requirements deep enough to reach the ply or cords, tread depth below requirements of 1.6mm and condition has ply or cords exposed. 11.2% of failure items.
3
Lamps, reflectors and electrical equipment
Recorded most often: headlamp aim too low, headlamp aim too high and stop lamp not working. 8.7% of failure items.
4
Brakes
Recorded most often: brake pads less than 1.5 mm thick. 3% of failure items.
The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific Bayon has failed on these items before, or had them noted as advisories. Buying one? See the used Hyundai Bayon buying guide.
Already found one?
Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.
Hyundai Bayon MOT FAQs
What is the Hyundai Bayon MOT pass rate?
84.9% of Hyundai Bayon cars passed their initial MOT first time in 2025, from 5,491 tests. That is 12.6 percentage points above the 72.3% average for all cars, and ranks 120th of 575 models.
What does a Hyundai Bayon most commonly fail its MOT on?
The item testers recorded most often on Hyundai Bayon cars failing their 2025 MOT was wipers does not clear the windscreen effectively, on 40.2% of failure items. Next were washers provides insufficient washer liquid (6.3%) and condition has a cut in excess of the requirements deep enough to reach the ply or cords (6%).
Which area causes the most Hyundai Bayon MOT failures?
Across every recorded failure item, the largest area was visibility at 49.9%, followed by lamps, reflectors and electrical equipment at 14.9%.
Does this mean every Hyundai Bayon has these problems?
No. These are the items testers recorded across every Hyundai Bayon 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 Bayon'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.