2020 Vauxhall Insignia MOT pass rate: 87.7% (3,486 tests)
Is the 2020 Insignia getting worse?
Pass rate of 2020-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 88.5% -2.4 vs same-age |
|
| 2024 | 87.0% -3.0 vs same-age |
|
| 2025 | 87.5% -1.4 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 Insignia
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Brakes | 234 | 32.4% |
| 2 | Tyres | 206 | 28.5% |
| 3 | Visibility | 107 | 14.8% |
| 4 | Noise, emissions and leaks | 63 | 8.7% |
| 5 | Lamps, reflectors and electrical equipment | 43 | 5.9% |
| 6 | Body, chassis, structure | 30 | 4.1% |
All Insignia years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2009 | 27,619 | 66.6% | +0.1 pts | 112,730 |
| 2010 | 39,441 | 68.8% | +1.4 pts | 113,588 |
| 2011 | 65,919 | 70.7% | +1.4 pts | 111,855 |
| 2012 | 58,708 | 71.3% | +0.0 pts | 112,630 |
| 2013 | 60,965 | 71.6% | -1.8 pts | 108,055 |
| 2014 | 74,523 | 70.5% | -5.4 pts | 104,236 |
| 2015 | 84,609 | 73.1% | -5.6 pts | 93,773 |
| 2016 | 66,124 | 74.4% | -7.0 pts | 80,501 |
| 2017 | 46,061 | 80.8% | -3.2 pts | 69,452 |
| 2018 | 37,736 | 84.7% | -1.7 pts | 59,536 |
| 2019 | 23,741 | 85.5% | -3.0 pts | 55,764 |
| 2020 (this page) | 3,486 | 87.7% | -2.3 pts | 39,060 |
Weighing up which year to buy? See the full ranking: Vauxhall Insignia years to avoid.
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FAQs
Is a 2020 Vauxhall Insignia reliable?
2020-registered examples passed 87.7% of their MOT tests (3,486 tests, 2023–2025), -2.3 points versus all UK cars registered in the same year. At roughly 6 years old with a median 39,060 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2020 Insignia?
The median tested example shows 39,060 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.