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 2003 Seat Leon Petrol 1781cc has had 23 MOT tests on record, passing 14 and failing 9 (61% pass rate). It has 126,978 miles on the clock, averaging 5,258 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN03 NYB
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 | 126,978 miles |
| Reading date | |
| Miles last year | 2,875 |
| Average per year | 5,258 |
| Mileage consistency | Variable |
Check KN03 NYB
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- Warranty work logged
Full MOT Test History 23 tests on record
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Vehicle Details
| Registration | KN03 NYB |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1781cc |
| Year | 2003 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 03 — March 2003 to August 2003 |
More KN03 N plates
Browse all KN03 N registrations from Luton.
About KN03 NYB
What car is KN03 NYB?
KN03 NYB is a silver Seat Leon, petrol (1781cc). First registered in Luton in 2003.
What is the mileage of KN03 NYB?
The last recorded mileage for KN03 NYB was 126,978 miles, recorded on 25 Jan 2025 during its most recent MOT test.
Has KN03 NYB passed its MOT?
KN03 NYB has had 23 MOT tests with a 61% pass rate (14 passes, 9 failures). It last passed on 25 Jan 2025.
Is KN03 NYB ULEZ compliant?
Based on its fuel type and registration year, KN03 NYB is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN03 NYB?
KN03 NYB is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.