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 9 MOT tests on record, passing 5 and failing 4 (56% pass rate). It has 64,303 miles on the clock, averaging 6,700 miles per year, below the UK average of 7,400. The 1.2 TSI engine is known for cbzb.
MOT & Mileage History for KJ18 NMM
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 | 64,303 miles |
| Reading date | |
| Average per year | 6,700 |
| Mileage consistency | Consistent |
Check KJ18 NMM
- 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 9 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
Explore more about the Seat Leon
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Vehicle Details
| Registration | KJ18 NMM |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| 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 NMM
What car is KJ18 NMM?
KJ18 NMM is a grey Seat Leon, petrol (1197cc). First registered in Northampton in 2018.
What is the mileage of KJ18 NMM?
The last recorded mileage for KJ18 NMM was 64,303 miles, recorded on 4 Oct 2025 during its most recent MOT test.
Has KJ18 NMM passed its MOT?
KJ18 NMM has had 9 MOT tests with a 56% pass rate (5 passes, 4 failures). It last passed on 4 Oct 2025.
Is KJ18 NMM ULEZ compliant?
Based on its fuel type and registration year, KJ18 NMM 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 NMM?
KJ18 NMM is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.