2021 Hyundai I20 Connect Mhev T-Gdi Auto — MOT failures & pass rate

Across 1,261 MOT tests analysed for the 2021 Hyundai I20 Connect Mhev T-Gdi Auto, the most common recorded failure areas were visibility, lighting & signalling and tyres. Its pass rate of 91.8% was in line with the average for cars of a similar age (91.2%).

92%
Pass rate
1,261
MOT tests analysed
8.3%
Fail rate
in line with
vs cars of similar age
3.5
Avg age at test (yrs)

How it compares

Fail rate vs benchmarks (lower is better) 2021 I20 Connect Mhev T-Gdi Auto 8.3% cars avg 8.8% 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 Hyundai I20 Connect Mhev T-Gdi Auto
# Category % of tests affected Tests
1 Visibility 7.6% 96
2 Lighting & signalling 2.7% 34
3 Tyres 1.9% 24
4 Brakes 1.4% 17
5 Seat belts & restraints 0.4% 5
6 Suspension 0.3% 4
Share of tests failing on each category Visibility 7.6% Lighting & signalling 2.7% Tyres 1.9% Brakes 1.4% Seat belts & restraints 0.4% Suspension 0.3%
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 Hyundai I20 Connect Mhev T-Gdi Auto
#Failure itemTimes recorded
1Wipers108
2Headlamp aim26
3Washers20
4Brake pads10
5Horn6
6Stop lamp5

Top advisory categories

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

Most common MOT advisories — 2021 Hyundai I20 Connect Mhev T-Gdi Auto
# Category % of tests with advisory Tests
1 Tyres 11.1% 140
2 Brakes 5.3% 67
3 Other defects 4.6% 58
4 Visibility 2.9% 36
5 Lighting & signalling 0.9% 11
6 Seat belts & restraints 0.6% 8

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 8.1% 30-60k 8.6%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 I20 Connect Mhev T-Gdi Auto
Mileage band Tests Fail rate
0-30k 999 8.1%
30-60k 256 8.6%

Failure rate by age

MOT fail rate by vehicle age at test 3 yrs 9.3% 4 yrs 7.2%
How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2021 I20 Connect Mhev T-Gdi Auto
Dataset year Tests Fail rate
2024 623 9.3%
2025 623 7.2%

What to check before buying a 2021 I20 Connect Mhev T-Gdi Auto

Before buying a 2021 Hyundai I20 Connect Mhev T-Gdi Auto, focus on the areas it most often fails on. Visibility accounted for 7.6% of tests for this year.

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 Hyundai I20 Connect Mhev T-Gdi Autos pass their MOT?

91.8% of the 1,261 2021 Hyundai I20 Connect Mhev T-Gdi Auto MOT tests in this dataset passed — a 8.3% fail rate.

What is the most common MOT failure on a 2021 Hyundai I20 Connect Mhev T-Gdi Auto?

Visibility, recorded in 7.6% of tests, followed by lighting & signalling (2.7%).

Does the 2021 I20 Connect Mhev T-Gdi Auto get worse with mileage?

Its MOT fail rate rises from 8.1% in the 0-30k band to 8.6% in the 30-60k band.

Methodology & source. Based on 1,261 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.

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