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 1390cc has had 19 MOT tests on record, passing 15 and failing 4 (79% pass rate). It has 114,474 miles on the clock, averaging 5,895 miles per year, below the UK average of 7,400.
MOT & Mileage History for NX03 JJK
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 | 114,474 miles |
| Reading date | |
| Miles last year | 7,504 |
| Average per year | 5,895 |
| Mileage consistency | Variable |
Check NX03 JJK
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- Warranty work logged
Full MOT Test History 19 tests on record
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Vehicle Details
| Registration | NX03 JJK |
| Make | Seat |
| Model | Leon |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1390cc |
| Year | 2003 |
| First registered | |
| Area code | NX — Stockton, North |
| Age identifier | 03 — March 2003 to August 2003 |
More NX03 J plates
Browse all NX03 J registrations from Stockton.
About NX03 JJK
What car is NX03 JJK?
NX03 JJK is an red Seat Leon, petrol (1390cc). First registered in Stockton in 2003.
What is the mileage of NX03 JJK?
The last recorded mileage for NX03 JJK was 114,474 miles, recorded on 26 Nov 2019 during its most recent MOT test.
Has NX03 JJK passed its MOT?
NX03 JJK has had 19 MOT tests with a 79% pass rate (15 passes, 4 failures). It last passed on 26 Nov 2019.
Is NX03 JJK ULEZ compliant?
Based on its fuel type and registration year, NX03 JJK 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 NX03 JJK?
NX03 JJK is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.