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 2014 Seat Leon Diesel 1598cc has had 12 MOT tests on record, passing 10 and failing 2 (83% pass rate). It has 86,549 miles on the clock, averaging 6,996 miles per year, below the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for KN64 MMJ
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 | 86,549 miles |
| Reading date | |
| Miles last year | 8,848 |
| Average per year | 6,996 |
| Mileage consistency | Variable |
Check KN64 MMJ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 12 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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | KN64 MMJ |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2014 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 64 — September 2014 to February 2015 |
More KN64 M plates
Browse all KN64 M registrations from Luton.
About KN64 MMJ
What car is KN64 MMJ?
KN64 MMJ is a silver Seat Leon, diesel (1598cc). First registered in Luton in 2014.
What is the mileage of KN64 MMJ?
The last recorded mileage for KN64 MMJ was 86,549 miles, recorded on 17 Oct 2025 during its most recent MOT test.
Has KN64 MMJ passed its MOT?
KN64 MMJ has had 12 MOT tests with an 83% pass rate (10 passes, 2 failures). It last passed on 17 Oct 2025.
Is KN64 MMJ ULEZ compliant?
Based on its fuel type and registration year, KN64 MMJ is likely not ULEZ compliant. As a diesel vehicle registered in 2014, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN64 MMJ?
KN64 MMJ is approximately 12 years old. Age identifier 64 means registered between 1 September 2014 and 28 February 2015.