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 2013 Seat Leon Diesel 1598cc has had 11 MOT tests on record, passing 10 and failing once (91% pass rate). It has 122,417 miles on the clock, averaging 9,647 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 KN63 NUX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 122,417 miles |
| Reading date | |
| Miles last year | 2,629 |
| Average per year | 9,647 |
| Mileage consistency | Variable |
Check KN63 NUX
- 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
Similar cars to consider
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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KN63 NUX |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2013 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 63 — September 2013 to February 2014 |
More KN63 N plates
Browse all KN63 N registrations from Luton.
About KN63 NUX
What car is KN63 NUX?
KN63 NUX is a grey Seat Leon, diesel (1598cc). First registered in Luton in 2013.
What is the mileage of KN63 NUX?
The last recorded mileage for KN63 NUX was 122,417 miles, recorded on 10 Jan 2026 during its most recent MOT test.
Has KN63 NUX passed its MOT?
KN63 NUX has had 11 MOT tests with an 91% pass rate (10 passes, 1 failure). It last passed on 10 Jan 2026.
Is KN63 NUX ULEZ compliant?
Based on its fuel type and registration year, KN63 NUX is likely not ULEZ compliant. As a diesel vehicle registered in 2013, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN63 NUX?
KN63 NUX is approximately 13 years old. Age identifier 63 means registered between 1 September 2013 and 28 February 2014.