2021 Vauxhall Corsa — MOT failures & pass rate

The 2021 Vauxhall Corsa passed 89.6% of its 92,010 recorded MOT tests. Superminis of a similar age fail 7.7% of the time, so this is 2.6pp worse than the group it competes with. Failures cluster in visibility, tyres and brakes.

90%
Pass rate
92,010
MOT tests analysed
10.3%
Fail rate
worse than
vs superminis of similar age
3.5
Avg age at test (yrs)

What the MOT record shows

One area stands out: visibility, recorded in 7.2% of tests against 3.9% for the next-worst category.

At component level the recurring items are wipers, headlamp aim and tread depth — wipers alone was recorded 7,397 times.

A 90-120k example is materially riskier than a 0-30k one: 19.3% versus 8.6%.

The petrol cars hold up better: 9.7% fail against 13.8% for electric, a 4.1-point gap across 90,677 tests.

Tyres is the most common advisory, noted on 21.8% of tests — work that passed today but is likely due soon.

The trend is worsening — 8.8% of tests failed in 2021 against 11.6% in 2025, the usual pattern as a fleet ages.

How it compares

Fail rate vs benchmarks (lower is better) 2021 Corsa 10.3% superminis avg 7.7% 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 Vauxhall Corsa
# Category % of tests affected Tests
1 Visibility 7.2% 6,585
2 Tyres 3.9% 3,595
3 Brakes 2.5% 2,250
4 Lighting & signalling 2.1% 1,902
5 Suspension 1.0% 925
6 Emissions & environmental 0.3% 261
Share of tests failing on each category Visibility 7.2% Tyres 3.9% Brakes 2.5% Lighting & signalling 2.1% Suspension 1.0% Emissions & environmental 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 Vauxhall Corsa
#Failure itemTimes recorded
1Wipers7,397
2Headlamp aim1,598
3Tread depth1,339
4Brake pads1,303
5Brake discs891
6Washers768

Top advisory categories

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

Most common MOT advisories — 2021 Vauxhall Corsa
# Category % of tests with advisory Tests
1 Tyres 21.8% 20,082
2 Brakes 14.8% 13,610
3 Other defects 4.5% 4,161
4 Visibility 3.9% 3,570
5 Suspension 1.4% 1,249
6 Road wheels 0.7% 594

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 8.6% 30-60k 13.5% 60-90k 14.9% 90-120k 19.3%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 Corsa
Mileage band Tests Fail rate
0-30k 59,740 8.6%
30-60k 30,069 13.5%
60-90k 1,953 14.9%
90-120k 212 19.3%

Failure rate by age

MOT fail rate by vehicle age at test 0 yrs 8.8% 2 yrs 5.0% 3 yrs 9.4% 4 yrs 11.6%
How this model-year's MOT fail rate climbs as the cars get older.

By fuel type

Fail rate by fuel type — 2021 Corsa
Fuel Tests Fail rate
Petrol 78,127 9.7%
Electric 12,550 13.8%
Diesel 1,328 13.5%

Trend over time

Fail rate by dataset year — 2021 Corsa
Dataset year Tests Fail rate
2021 34 8.8%
2023 2,482 5.0%
2024 44,483 9.4%
2025 44,983 11.6%

What to check before buying a 2021 Corsa

The failure pattern for this year is specific enough to inspect against: visibility accounted for 7.2% 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 Vauxhall Corsas pass their MOT?

89.6% of the 92,010 2021 Vauxhall Corsa MOT tests in this dataset passed — a 10.3% fail rate.

What is the most common MOT failure on a 2021 Vauxhall Corsa?

Visibility, recorded in 7.2% of tests, followed by tyres (3.9%).

Does the 2021 Corsa get worse with mileage?

Its MOT fail rate rises from 8.6% in the 0-30k band to 19.3% in the 90-120k band.

Methodology & source. Based on 92,010 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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