2021 Hyundai Tucson N Line T-Gdi — MOT failures & pass rate

Across 959 MOT tests analysed for the 2021 Hyundai Tucson N Line T-Gdi, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 94.1% was above the average for cars of a similar age (91.2%).

94%
Pass rate
959
MOT tests analysed
5.9%
Fail rate
better than
vs cars of similar age
3.5
Avg age at test (yrs)

How it compares

Fail rate vs benchmarks (lower is better) 2021 Tucson N Line T-Gdi 5.9% cars avg 8.8% National avg 8.7%
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 Tucson N Line T-Gdi
# Category % of tests affected Tests
1 Visibility 4.9% 47
2 Tyres 2.8% 27
3 Lighting & signalling 0.7% 7
4 Emissions & environmental 0.5% 5
5 Brakes 0.2% 2
6 Body, structure & corrosion 0.2% 2
Share of tests failing on each category Visibility 4.9% Tyres 2.8% Lighting & signalling 0.7% Emissions & environmental 0.5% Brakes 0.2% Body, structure & corrosion 0.2%
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 Tucson N Line T-Gdi
#Failure itemTimes recorded
1Wipers45
2Tread depth18
3Washers9
4Headlamp aim9
5Malfunction indicator lamp4
6Brake pads2

Top advisory categories

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

Most common MOT advisories — 2021 Hyundai Tucson N Line T-Gdi
# Category % of tests with advisory Tests
1 Tyres 18.1% 174
2 Brakes 8.6% 82
3 Other defects 7.8% 75
4 Visibility 2.2% 21
5 Emissions & environmental 0.3% 3
6 Road wheels 0.3% 3

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 5.9% 30-60k 5.8%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 Tucson N Line T-Gdi
Mileage band Tests Fail rate
0-30k 563 5.9%
30-60k 381 5.8%

Failure rate by age

MOT fail rate by vehicle age at test 3 yrs 6.6% 4 yrs 5.4%
How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2021 Tucson N Line T-Gdi
Dataset year Tests Fail rate
2024 470 6.6%
2025 485 5.4%

What to check before buying a 2021 Tucson N Line T-Gdi

Before buying a 2021 Hyundai Tucson N Line T-Gdi, focus on the areas it most often fails on. Visibility accounted for 4.9% 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 Tucson N Line T-Gdis pass their MOT?

94.1% of the 959 2021 Hyundai Tucson N Line T-Gdi MOT tests in this dataset passed — a 5.9% fail rate.

What is the most common MOT failure on a 2021 Hyundai Tucson N Line T-Gdi?

Visibility, recorded in 4.9% of tests, followed by tyres (2.8%).

Does the 2021 Tucson N Line T-Gdi get worse with mileage?

Its MOT fail rate rises from 5.9% in the 0-30k band to 5.8% in the 30-60k band.

Methodology & source. Based on 959 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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