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 2015 Seat Leon Diesel 1598cc has had 11 MOT tests on record, passing 9 and failing 2 (82% pass rate). It has 144,753 miles on the clock, averaging 12,977 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for KN65 CNX
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
Above average| Latest reading | 144,753 miles |
| Reading date | |
| Miles last year | 26 |
| Average per year | 12,977 |
| Mileage consistency | Variable |
Check KN65 CNX
- 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 11 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 | KN65 CNX |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2015 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 65 — September 2015 to February 2016 |
More KN65 C plates
Browse all KN65 C registrations from Luton.
About KN65 CNX
What car is KN65 CNX?
KN65 CNX is a silver Seat Leon, diesel (1598cc). First registered in Luton in 2015.
What is the mileage of KN65 CNX?
The last recorded mileage for KN65 CNX was 144,753 miles, recorded on 13 Mar 2026 during its most recent MOT test.
Has KN65 CNX passed its MOT?
KN65 CNX has had 11 MOT tests with an 82% pass rate (9 passes, 2 failures). It last passed on 13 Mar 2026.
Is KN65 CNX ULEZ compliant?
Based on its fuel type and registration year, KN65 CNX is likely not ULEZ compliant. As a diesel vehicle registered in 2015, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN65 CNX?
KN65 CNX is approximately 11 years old. Age identifier 65 means registered between 1 September 2015 and 28 February 2016.