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 2017 Seat Leon Diesel 1598cc has had 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 89,462 miles on the clock, averaging 7,214 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 KO17 YON
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
Below average| Latest reading | 89,462 miles |
| Reading date | |
| Miles last year | 8,406 |
| Average per year | 7,214 |
| Mileage consistency | Consistent |
Check KO17 YON
- 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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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 | KO17 YON |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2017 |
| First registered | |
| Area code | KO — Luton, Luton and Northampton |
| Age identifier | 17 — March 2017 to August 2017 |
More KO17 Y plates
Browse all KO17 Y registrations from Luton.
About KO17 YON
What car is KO17 YON?
KO17 YON is a grey Seat Leon, diesel (1598cc). First registered in Luton in 2017.
What is the mileage of KO17 YON?
The last recorded mileage for KO17 YON was 89,462 miles, recorded on 10 Aug 2026 during its most recent MOT test.
Has KO17 YON passed its MOT?
KO17 YON has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 10 Aug 2026.
Is KO17 YON ULEZ compliant?
Based on its fuel type and registration year, KO17 YON is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KO17 YON?
KO17 YON is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.