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 Mazda 3 Petrol 1998cc has had 3 MOT tests on record, passing every one. It has 28,093 miles on the clock, averaging 6,762 miles per year, below the UK average of 7,400.
MOT & Mileage History for CA21 UNX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 28,093 miles |
| Reading date | |
| Miles last year | 7,810 |
| Average per year | 6,762 |
| Mileage consistency | Consistent |
Check CA21 UNX
- 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 3 tests on record
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Vehicle Details
| Registration | CA21 UNX |
| Make | Mazda |
| Model | 3 |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2021 |
| First registered | |
| Area code | CA — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CA21 U plates
Browse all CA21 U registrations from Cardiff.
About CA21 UNX
What car is CA21 UNX?
CA21 UNX is a red Mazda 3, petrol (1998cc). First registered in Cardiff in 2021.
What is the mileage of CA21 UNX?
The last recorded mileage for CA21 UNX was 28,093 miles, recorded on 31 Jan 2026 during its most recent MOT test.
Has CA21 UNX passed its MOT?
CA21 UNX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 31 Jan 2026.
Is CA21 UNX ULEZ compliant?
Based on its fuel type and registration year, CA21 UNX 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 CA21 UNX?
CA21 UNX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.