2021 Volkswagen Transporter T28 Highline TDI MOT pass rate: 87.8% (6,870 tests)
Is the 2021 Transporter T28 Highline TDI getting worse?
Pass rate of 2021-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2024 | 88.7% -2.0 vs same-age |
|
| 2025 | 87.0% -3.2 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 2021 Transporter T28 Highline TDI
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 435 | 29.6% |
| 2 | Suspension | 411 | 27.9% |
| 3 | Lamps, reflectors and electrical equipment | 193 | 13.1% |
| 4 | Brakes | 149 | 10.1% |
| 5 | Visibility | 88 | 6.0% |
| 6 | Noise, emissions and leaks | 85 | 5.8% |
All Transporter T28 Highline TDI years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2019 | 3,058 | 84.3% | -4.1 pts | 44,832 |
| 2020 | 8,780 | 86.3% | -3.6 pts | 36,440 |
| 2021 (this page) | 6,870 | 87.8% | -2.6 pts | 31,184 |
| 2022 | 1,937 | 88.6% | -2.6 pts | 25,890 |
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FAQs
Is a 2021 Volkswagen Transporter T28 Highline TDI reliable?
2021-registered examples passed 87.8% of their MOT tests (6,870 tests, 2023–2025), -2.6 points versus all UK cars registered in the same year. At roughly 5 years old with a median 31,184 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2021 Transporter T28 Highline TDI?
The median tested example shows 31,184 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.