2021 Kia Ev6 Air — MOT failures & pass rate

273 MOT tests on the 2021 Kia Ev6 Air are in this dataset, and 94.1% of them passed. Against all cars of a similar age (8.6% fail rate), the 2021 Ev6 Air comes out 2.7pp better. Failures cluster in visibility, tyres and lighting & signalling.

94%
Pass rate
273
MOT tests analysed
5.9%
Fail rate
better than
vs cars of similar age
3.4
Avg age at test (yrs)

What the MOT record shows

No single area dominates — visibility (3.3%) and tyres (2.9%) are close, so failures are spread across several systems rather than one weak point.

At component level the recurring items are wipers, tread depth and headlamp levelling device — wipers alone was recorded 8 times.

Tyres is the most common advisory, noted on 19.8% of tests — work that passed today but is likely due soon.

How it compares

Fail rate vs benchmarks (lower is better) 2021 Ev6 Air 5.9% cars avg 9.6% National avg 8.6%
Fail rate for this model-year against the segment and national averages for cars of a similar age.

Top failure categories

Most common MOT failure areas — 2021 Kia Ev6 Air
# Category % of tests affected Tests
1 Visibility 3.3% 9
2 Tyres 2.9% 8
3 Lighting & signalling 1.5% 4
4 Brakes 0.4% 1
5 Steering 0.4% 1
Share of tests failing on each category Visibility 3.3% Tyres 2.9% Lighting & signalling 1.5% Brakes 0.4% Steering 0.4%
Percentage of tests with at least one failure recorded in each category.

Most common specific failures

The exact components most often recorded as failures — more specific than the categories above.

Most frequently recorded failure items — 2021 Kia Ev6 Air
#Failure itemTimes recorded
1Wipers8
2Tread depth5
3Headlamp levelling device1
4Rear fog lamp tell-tale1
5Washers1
6Reversing lamps1

Top advisory categories

Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.

Most common MOT advisories — 2021 Kia Ev6 Air
# Category % of tests with advisory Tests
1 Tyres 19.8% 54
2 Brakes 4.0% 11
3 Other defects 3.7% 10
4 Visibility 3.3% 9

Failure rate by mileage

Higher-mileage cars tend to fail more — often the most useful guide to real condition.

MOT fail rate by recorded mileage 0-30k 5.1% 30-60k 6.9%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 Ev6 Air
Mileage band Tests Fail rate
0-30k 98 5.1%
30-60k 131 6.9%

Failure rate by age

MOT fail rate by vehicle age at test 3 yrs 1.6% 4 yrs 10.2%
How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2021 Ev6 Air
Dataset year Tests Fail rate
2024 122 1.6%
2025 137 10.2%

What to check before buying a 2021 Ev6 Air

The failure pattern for this year is specific enough to inspect against: visibility accounted for 3.3% of tests. Start there.

Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.

Frequently asked questions

How many 2021 Kia Ev6 Airs pass their MOT?

94.1% of the 273 2021 Kia Ev6 Air MOT tests in this dataset passed — a 5.9% fail rate.

What is the most common MOT failure on a 2021 Kia Ev6 Air?

Visibility, recorded in 3.3% of tests, followed by tyres (2.9%).

Does the 2021 Ev6 Air get worse with mileage?

Its MOT fail rate rises from 5.1% in the 0-30k band to 6.9% in the 30-60k band.

Methodology & source. Based on 273 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.

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