2020 Vauxhall Corsa Turbo — MOT failures & pass rate

Across 44,970 MOT tests analysed for the 2020 Vauxhall Corsa Turbo, the most common recorded failure areas were visibility, tyres and brakes. Its pass rate of 89.9% was in line with the average for cars of a similar age (90.6%). Higher-mileage examples failed more often — 14.3% in the 90-120k group versus 8.1% in the 0-30k group.

Pass rate

44,970

MOT tests analysed

10.1%

Fail rate

in line with

vs cars of similar age

Avg age at test (yrs)

How it compares

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 — 2020 Vauxhall Corsa Turbo
#	Category	% of tests affected	Tests
1	Visibility	6.6%	2,977
2	Tyres	3.4%	1,539
3	Brakes	3.4%	1,509
4	Lighting & signalling	1.6%	709
5	Suspension	0.5%	237
6	Emissions & environmental	0.3%	134

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 — 2020 Vauxhall Corsa Turbo
#	Failure item	Times recorded
1	Wipers	3,383
2	Brake pads	994
3	Headlamp aim	652
4	Brake discs	597
5	Tread depth	557
6	Washers	417

Top advisory categories

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

Most common MOT advisories — 2020 Vauxhall Corsa Turbo
#	Category	% of tests with advisory	Tests
1	Tyres	20.6%	9,285
2	Brakes	19.0%	8,532
3	Other defects	4.8%	2,134
4	Visibility	3.4%	1,518
5	Suspension	1.1%	476
6	Emissions & environmental	0.9%	397

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 band.

Fail rate by recorded mileage — 2020 Corsa Turbo
Mileage band	Tests	Fail rate
0-30k	25,040	8.1%
30-60k	18,671	12.4%
60-90k	1,174	14.8%
90-120k	70	14.3%

Failure rate by age

How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2020 Corsa Turbo
Dataset year	Tests	Fail rate
2022	600	4.2%
2023	15,001	9.0%
2024	14,796	11.2%
2025	14,573	10.2%

What to check before buying a 2020 Corsa Turbo

Before buying a 2020 Vauxhall Corsa Turbo, focus on the areas it most often fails on. Visibility accounted for 6.6% of tests for this year.

Visibility (6.6% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
Tyres (3.4% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
Brakes (3.4% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.

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 2020 Vauxhall Corsa Turbos pass their MOT?

89.9% of the 44,970 2020 Vauxhall Corsa Turbo MOT tests in this dataset passed — a 10.1% fail rate.

What is the most common MOT failure on a 2020 Vauxhall Corsa Turbo?

Visibility, recorded in 6.6% of tests, followed by tyres (3.4%).

Does the 2020 Corsa Turbo get worse with mileage?

Its MOT fail rate rises from 8.1% in the 0-30k band to 14.3% in the 90-120k band.

Methodology & source. Based on 44,970 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.