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 1598cc has had 5 MOT tests on record, passing 4 and failing once (80% pass rate). It has 29,748 miles on the clock, averaging 7,621 miles per year, around the UK average of 7,400.
MOT & Mileage History for NX03 JJU
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 29,748 miles |
| Reading date | |
| Miles last year | 8,475 |
| Average per year | 7,621 |
| Mileage consistency | Consistent |
Check NX03 JJU
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 5 tests on record
Similar cars to consider
Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | NX03 JJU |
| Make | Seat |
| Model | Leon |
| Colour | Yellow |
| Fuel type | Petrol |
| Engine | 1598cc |
| 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 JJU
What car is NX03 JJU?
NX03 JJU is an yellow Seat Leon, petrol (1598cc). First registered in Stockton in 2003.
What is the mileage of NX03 JJU?
The last recorded mileage for NX03 JJU was 29,748 miles, recorded on 17 Jun 2010 during its most recent MOT test.
Has NX03 JJU passed its MOT?
NX03 JJU has had 5 MOT tests with an 80% pass rate (4 passes, 1 failure). It last passed on 17 Jun 2010.
Is NX03 JJU ULEZ compliant?
Based on its fuel type and registration year, NX03 JJU 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 JJU?
NX03 JJU is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.