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 2006 Citroen C4 Petrol 1587cc has had 17 MOT tests on record, passing 12 and failing 5 (71% pass rate). It has 137,097 miles on the clock, averaging 6,547 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN56 BYX
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 | 137,097 miles |
| Reading date | |
| Miles last year | 54,458 |
| Average per year | 6,547 |
| Mileage consistency | Variable |
Check KN56 BYX
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Full MOT Test History 17 tests on record
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Vehicle Details
| Registration | KN56 BYX |
| Make | Citroen |
| Model | C4 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1587cc |
| Year | 2006 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 56 — September 2006 to February 2007 |
More KN56 B plates
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About KN56 BYX
What car is KN56 BYX?
KN56 BYX is a grey Citroen C4, petrol (1587cc). First registered in Luton in 2006.
What is the mileage of KN56 BYX?
The last recorded mileage for KN56 BYX was 137,097 miles, recorded on 7 Jan 2026 during its most recent MOT test.
Has KN56 BYX passed its MOT?
KN56 BYX has had 17 MOT tests with a 71% pass rate (12 passes, 5 failures). It last passed on 7 Jan 2026.
Is KN56 BYX ULEZ compliant?
Based on its fuel type and registration year, KN56 BYX 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 KN56 BYX?
KN56 BYX is approximately 20 years old. Age identifier 56 means registered between 1 September 2006 and 28 February 2007.