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 999cc has had 6 MOT tests on record, passing every one. It has 47,072 miles on the clock, averaging 7,528 miles per year, around the UK average of 7,400. The 1.0 TSI engine is known for dvsa/vosa recall data and seat/vag technical service bulletins.
MOT & Mileage History for KM18 NJJ
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 | 47,072 miles |
| Reading date | |
| Miles last year | 7,897 |
| Average per year | 7,528 |
| Mileage consistency | Consistent |
Check KM18 NJJ
- 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 6 tests on record
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Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
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.
DVSA/VOSA recall data
SEAT/VAG technical service bulletins
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KM18 NJJ |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 18 — March 2018 to August 2018 |
More KM18 N plates
Browse all KM18 N registrations from Luton.
About KM18 NJJ
What car is KM18 NJJ?
KM18 NJJ is a black Seat Leon, petrol (999cc). First registered in Luton in 2018.
What is the mileage of KM18 NJJ?
The last recorded mileage for KM18 NJJ was 47,072 miles, recorded on 15 Aug 2025 during its most recent MOT test.
Has KM18 NJJ passed its MOT?
KM18 NJJ has had 6 MOT tests with an 100% pass rate (6 passes, 0 failures). It last passed on 15 Aug 2025.
Is KM18 NJJ ULEZ compliant?
Based on its fuel type and registration year, KM18 NJJ 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 KM18 NJJ?
KM18 NJJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.