2021 MG ZS Exclusive EV MOT pass rate: 90.2% (8,204 tests)
Is the 2021 ZS Exclusive EV getting worse?
Pass rate of 2021-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2024 | 91.6% +1.0 vs same-age |
|
| 2025 | 88.8% -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 2021 ZS Exclusive EV
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 494 | 37.7% |
| 2 | Lamps, reflectors and electrical equipment | 358 | 27.3% |
| 3 | Visibility | 119 | 9.1% |
| 4 | Brakes | 119 | 9.1% |
| 5 | Suspension | 101 | 7.7% |
| 6 | Steering | 64 | 4.9% |
All ZS Exclusive EV years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 | 14,328 | 90.2% | +0.3 pts | 28,872 |
| 2021 (this page) | 8,204 | 90.2% | -0.2 pts | 26,028 |
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
- Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
- XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
- Autel UK testersAutel professional-grade diagnostic testers
FAQs
Is a 2021 MG ZS Exclusive EV reliable?
2021-registered examples passed 90.2% of their MOT tests (8,204 tests, 2023–2025), -0.2 points versus all UK cars registered in the same year. At roughly 5 years old with a median 26,028 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2021 ZS Exclusive EV?
The median tested example shows 26,028 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.