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 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 32,686 miles on the clock, averaging 4,560 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KX21 NDN
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
Low mileage| Latest reading | 32,686 miles |
| Reading date | |
| Miles last year | 6 |
| Average per year | 4,560 |
| Mileage consistency | Consistent |
Check KX21 NDN
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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 NDN |
| Make | Mazda |
| Model | 3 |
| Colour | Grey |
| 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 N plates
Browse all KX21 N registrations from Luton.
About KX21 NDN
What car is KX21 NDN?
KX21 NDN is a grey Mazda 3, petrol (1998cc). First registered in Luton in 2021.
What is the mileage of KX21 NDN?
The last recorded mileage for KX21 NDN was 32,686 miles, recorded on 2 Oct 2025 during its most recent MOT test.
Has KX21 NDN passed its MOT?
KX21 NDN has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 2 Oct 2025.
Is KX21 NDN ULEZ compliant?
Based on its fuel type and registration year, KX21 NDN 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 NDN?
KX21 NDN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.