2020 Vauxhall Corsa SE Nav MOT pass rate: 89.8% (4,064 tests)

2020-registered Vauxhall Corsa SE Navs passed 89.8% of 4,064 MOT tests in 2023–2025 — broadly in line with same-age cars (89.9%).

89.8%Pass rate, 2020 cars

99.9Age-adjusted index (100 = average)

4,064Tests analysed

25,300 miMedian mileage at test

Is the 2020 Corsa SE Nav getting worse?

Pass rate of 2020-registered cars across recent test years:

Test year	Pass rate
2023	91.3% +0.4 vs same-age
2024	88.7% -1.3 vs same-age
2025	89.4% +0.5 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2020 Corsa SE Nav

#	System	Defects recorded	Share
1	Visibility	252	38.7%
2	Tyres	154	23.7%
3	Brakes	120	18.4%
4	Lamps, reflectors and electrical equipment	43	6.6%
5	Suspension	31	4.8%
6	Noise, emissions and leaks	27	4.1%

All Corsa SE Nav years compared

Registration year	Tests	Pass rate	Vs same-age	Median mileage
2019	1,509	90.7%	+2.3 pts	31,903
2020 (this page)	4,064	89.8%	-0.1 pts	25,300

Buying a 2020 Corsa SE Nav? Two checks first

Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
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XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
Autel UK testersAutel professional-grade diagnostic testers

FAQs

Is a 2020 Vauxhall Corsa SE Nav reliable?

2020-registered examples passed 89.8% of their MOT tests (4,064 tests, 2023–2025), -0.1 points versus all UK cars registered in the same year. At roughly 6 years old with a median 25,300 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2020 Corsa SE Nav?

The median tested example shows 25,300 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.