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 18 MOT tests on record, passing 10 and failing 8 (56% pass rate). It has 100,012 miles on the clock, averaging 8,284 miles per year, around the UK average of 7,400.
MOT & Mileage History for KN03 NXJ
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
About average| Latest reading | 100,012 miles |
| Reading date | |
| Average per year | 8,284 |
| Mileage consistency | Consistent |
Check KN03 NXJ
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- Service interval analysis
- Warranty work logged
Full MOT Test History 18 tests on record
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Vehicle Details
| Registration | KN03 NXJ |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| 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 NXJ
What car is KN03 NXJ?
KN03 NXJ is a black Seat Leon, petrol (1781cc). First registered in Luton in 2003.
What is the mileage of KN03 NXJ?
The last recorded mileage for KN03 NXJ was 100,012 miles, recorded on 9 Jul 2016 during its most recent MOT test.
Has KN03 NXJ passed its MOT?
KN03 NXJ has had 18 MOT tests with a 56% pass rate (10 passes, 8 failures). It last passed on 9 Jul 2016.
Is KN03 NXJ ULEZ compliant?
Based on its fuel type and registration year, KN03 NXJ 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 NXJ?
KN03 NXJ is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.