Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Mg 3 Petrol 1498cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 26,251 miles on the clock, averaging 6,699 miles per year, below the UK average of 7,400.
MOT & Mileage History for CJ21 ONV
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 26,251 miles |
| Reading date | |
| Miles last year | 6,401 |
| Average per year | 6,699 |
| Mileage consistency | Consistent |
Check CJ21 ONV
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
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Vehicle Details
| Registration | CJ21 ONV |
| Make | Mg |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1498cc |
| Year | 2021 |
| First registered | |
| Area code | CJ — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CJ21 O plates
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About CJ21 ONV
What car is CJ21 ONV?
CJ21 ONV is a black Mg 3, petrol (1498cc). First registered in Cardiff in 2021.
What is the mileage of CJ21 ONV?
The last recorded mileage for CJ21 ONV was 26,251 miles, recorded on 11 Aug 2026 during its most recent MOT test.
Has CJ21 ONV passed its MOT?
CJ21 ONV has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 11 Aug 2026.
Is CJ21 ONV ULEZ compliant?
Based on its fuel type and registration year, CJ21 ONV is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is CJ21 ONV?
CJ21 ONV is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.