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 2004 Mazda 3 Petrol 1349cc has had 14 MOT tests on record, passing 10 and failing 4 (71% pass rate). It has 95,526 miles on the clock, averaging 5,519 miles per year, below the UK average of 7,400. The 1.3L ZJ-VE engine is known for zj-ve and valve thermal clearances.
MOT & Mileage History for KT04 BYN
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 95,526 miles |
| Reading date | |
| Miles last year | 6,817 |
| Average per year | 5,519 |
| Mileage consistency | Variable |
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 14 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2003–2009), based on owner reports and workshop data across the UK.
ZJ-VE
Valve thermal clearances (poppet tappets/buckets on intake camshaft actuator, no hydraulic compensators)
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Vehicle Details
| Registration | KT04 BYN |
| Make | Mazda |
| Model | 3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1349cc |
| Year | 2004 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 04 — March 2004 to August 2004 |
More KT04 B plates
Browse all KT04 B registrations from Luton.
About KT04 BYN
What car is KT04 BYN?
KT04 BYN is a grey Mazda 3, petrol (1349cc). First registered in Luton in 2004.
What is the mileage of KT04 BYN?
The last recorded mileage for KT04 BYN was 95,526 miles, recorded on 22 Sep 2018 during its most recent MOT test.
Has KT04 BYN passed its MOT?
KT04 BYN has had 14 MOT tests with a 71% pass rate (10 passes, 4 failures). It last passed on 22 Sep 2018.
Is KT04 BYN ULEZ compliant?
Based on its fuel type and registration year, KT04 BYN is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KT04 BYN?
KT04 BYN is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.