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 Kia Niro 4 Ev Electric has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 46,733 miles on the clock, averaging 7,329 miles per year, below the UK average of 7,400.
MOT & Mileage History for CA21 BYL
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 | 46,733 miles |
| Reading date | |
| Miles last year | 2,614 |
| Average per year | 7,329 |
| Mileage consistency | Variable |
Check CA21 BYL
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
Explore more about the Kia Niro 4 Ev
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Vehicle Details
| Registration | CA21 BYL |
| Make | Kia |
| Model | Niro 4 Ev |
| Colour | Black |
| Fuel type | Electric |
| Year | 2021 |
| First registered | |
| Area code | CA — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CA21 B plates
Browse all CA21 B registrations from Cardiff.
About CA21 BYL
What car is CA21 BYL?
CA21 BYL is a black Kia Niro 4 Ev, electric. First registered in Cardiff in 2021.
What is the mileage of CA21 BYL?
The last recorded mileage for CA21 BYL was 46,733 miles, recorded on 26 Mar 2026 during its most recent MOT test.
Has CA21 BYL passed its MOT?
CA21 BYL has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 26 Mar 2026.
Is CA21 BYL ULEZ compliant?
Based on its fuel type and registration year, CA21 BYL is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is CA21 BYL?
CA21 BYL is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.