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 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 63,058 miles on the clock, averaging 5,297 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 YC17 KSJ
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 | 63,058 miles |
| Reading date | |
| Miles last year | 6,908 |
| Average per year | 5,297 |
| Mileage consistency | Variable |
Check YC17 KSJ
- 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 6 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 | YC17 KSJ |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2017 |
| First registered | |
| Area code | YC — Leeds, Yorkshire |
| Age identifier | 17 — March 2017 to August 2017 |
More YC17 K plates
Browse all YC17 K registrations from Leeds.
About YC17 KSJ
What car is YC17 KSJ?
YC17 KSJ is a grey Seat Leon, diesel (1598cc). First registered in Leeds in 2017.
What is the mileage of YC17 KSJ?
The last recorded mileage for YC17 KSJ was 63,058 miles, recorded on 21 Oct 2025 during its most recent MOT test.
Has YC17 KSJ passed its MOT?
YC17 KSJ has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 21 Oct 2025.
Is YC17 KSJ ULEZ compliant?
Based on its fuel type and registration year, YC17 KSJ 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 YC17 KSJ?
YC17 KSJ is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.