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 Petrol 1798cc has had 10 MOT tests on record, passing every one. It has 86,840 miles on the clock, averaging 7,080 miles per year, below the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for KN63 YHY
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 | 86,840 miles |
| Reading date | |
| Miles last year | 4,321 |
| Average per year | 7,080 |
| Mileage consistency | Consistent |
Check KN63 YHY
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 10 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.
CJSA
Piston rings (faulty design leading to excessive oil consumption)
Premature wear on thin piston rings causes high oil burn-off, often 1 quart per 1,000-2,000 miles.[1][6]
Explore more about the Seat Leon
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Vehicle Details
| Registration | KN63 YHY |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2013 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 63 — September 2013 to February 2014 |
More KN63 Y plates
Browse all KN63 Y registrations from Luton.
About KN63 YHY
What car is KN63 YHY?
KN63 YHY is a black Seat Leon, petrol (1798cc). First registered in Luton in 2013.
What is the mileage of KN63 YHY?
The last recorded mileage for KN63 YHY was 86,840 miles, recorded on 25 Oct 2025 during its most recent MOT test.
Has KN63 YHY passed its MOT?
KN63 YHY has had 10 MOT tests with an 100% pass rate (10 passes, 0 failures). It last passed on 25 Oct 2025.
Is KN63 YHY ULEZ compliant?
Based on its fuel type and registration year, KN63 YHY 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 KN63 YHY?
KN63 YHY is approximately 13 years old. Age identifier 63 means registered between 1 September 2013 and 28 February 2014.