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 Cx-30 Se-L Lux Mhev Petrol 1998cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 39,014 miles on the clock, averaging 8,363 miles per year, around the UK average of 7,400.
MOT & Mileage History for KX21 UJN
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
About average| Latest reading | 39,014 miles |
| Reading date | |
| Average per year | 8,363 |
| Mileage consistency | Consistent |
Check KX21 UJN
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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 | KX21 UJN |
| Make | Mazda |
| Model | Cx-30 Se-L Lux Mhev |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2021 |
| First registered | |
| Area code | KX — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KX21 U plates
Browse all KX21 U registrations from Luton.
About KX21 UJN
What car is KX21 UJN?
KX21 UJN is a silver Mazda Cx-30 Se-L Lux Mhev, petrol (1998cc). First registered in Luton in 2021.
What is the mileage of KX21 UJN?
The last recorded mileage for KX21 UJN was 39,014 miles, recorded on 23 Jun 2026 during its most recent MOT test.
Has KX21 UJN passed its MOT?
KX21 UJN has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 23 Jun 2026.
Is KX21 UJN ULEZ compliant?
Based on its fuel type and registration year, KX21 UJN 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 KX21 UJN?
KX21 UJN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.