2020 Vauxhall Corsa Turbo Auto — MOT failures & pass rate

Across 4,438 MOT tests analysed for the 2020 Vauxhall Corsa Turbo Auto, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 91.4% was in line with the average for cars of a similar age (90.6%). Higher-mileage examples failed more often — 17.0% in the 60-90k group versus 7.3% in the 0-30k group.

Pass rate

4,438

MOT tests analysed

8.6%

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 Auto
#	Category	% of tests affected	Tests
1	Visibility	6.5%	289
2	Tyres	3.2%	141
3	Lighting & signalling	2.6%	114
4	Brakes	2.1%	92
5	Suspension	0.4%	20
6	Body, structure & corrosion	0.3%	14

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 Auto
#	Failure item	Times recorded
1	Wipers	333
2	Brake pads	69
3	Headlamp aim	65
4	Stop lamp	45
5	Washers	40
6	Brake discs	39

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 Auto
#	Category	% of tests with advisory	Tests
1	Tyres	17.8%	792
2	Brakes	14.7%	652
3	Other defects	5.1%	227
4	Visibility	3.4%	151
5	Suspension	0.8%	36
6	Emissions & environmental	0.4%	16

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 Auto
Mileage band	Tests	Fail rate
0-30k	3,290	7.3%
30-60k	1,085	12.0%
60-90k	59	17.0%

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 Auto
Dataset year	Tests	Fail rate
2022	56	0.0%
2023	1,470	7.3%
2024	1,446	9.5%
2025	1,466	9.2%

What to check before buying a 2020 Corsa Turbo Auto

Before buying a 2020 Vauxhall Corsa Turbo Auto, focus on the areas it most often fails on. Visibility accounted for 6.5% of tests for this year.

Visibility (6.5% 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 (3.2% 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.
Lighting & signalling (2.6% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.

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 Turbo Autos pass their MOT?

91.4% of the 4,438 2020 Vauxhall Corsa Turbo Auto MOT tests in this dataset passed — a 8.6% fail rate.

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

Visibility, recorded in 6.5% of tests, followed by tyres (3.2%).

Does the 2020 Corsa Turbo Auto get worse with mileage?

Its MOT fail rate rises from 7.3% in the 0-30k band to 17.0% in the 60-90k band.

Methodology & source. Based on 4,438 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.