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 2018 Seat Leon Petrol 1197cc has had 7 MOT tests on record, passing 5 and failing 2 (71% pass rate). It has 53,319 miles on the clock, averaging 6,369 miles per year, below the UK average of 7,400. The 1.2 TSI engine is known for cbzb.
MOT & Mileage History for KJ18 NJX
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 | 53,319 miles |
| Reading date | |
| Average per year | 6,369 |
| Mileage consistency | Consistent |
Check KJ18 NJX
- 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 7 tests on record
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Reported issues for this Seat Leon
These are the most commonly reported problems on Seat Leon models (2012–2020), based on owner reports and workshop data across the UK.
CBZB
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Vehicle Details
| Registration | KJ18 NJX |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1197cc |
| Year | 2018 |
| First registered | |
| Area code | KJ — Northampton, Luton and Northampton |
| Age identifier | 18 — March 2018 to August 2018 |
More KJ18 N plates
Browse all KJ18 N registrations from Northampton.
About KJ18 NJX
What car is KJ18 NJX?
KJ18 NJX is a white Seat Leon, petrol (1197cc). First registered in Northampton in 2018.
What is the mileage of KJ18 NJX?
The last recorded mileage for KJ18 NJX was 53,319 miles, recorded on 5 Sep 2025 during its most recent MOT test.
Has KJ18 NJX passed its MOT?
KJ18 NJX has had 7 MOT tests with a 71% pass rate (5 passes, 2 failures). It last passed on 5 Sep 2025.
Is KJ18 NJX ULEZ compliant?
Based on its fuel type and registration year, KJ18 NJX 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 KJ18 NJX?
KJ18 NJX is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.