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 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 70,939 miles on the clock, averaging 7,211 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 KN17 POJ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 70,939 miles |
| Reading date | |
| Miles last year | 9,972 |
| Average per year | 7,211 |
| Mileage consistency | Consistent |
Check KN17 POJ
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 8 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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
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Vehicle Details
| Registration | KN17 POJ |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2017 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 17 — March 2017 to August 2017 |
More KN17 P plates
Browse all KN17 P registrations from Luton.
About KN17 POJ
What car is KN17 POJ?
KN17 POJ is a white Seat Leon, diesel (1598cc). First registered in Luton in 2017.
What is the mileage of KN17 POJ?
The last recorded mileage for KN17 POJ was 70,939 miles, recorded on 2 Oct 2025 during its most recent MOT test.
Has KN17 POJ passed its MOT?
KN17 POJ has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 2 Oct 2025.
Is KN17 POJ ULEZ compliant?
Based on its fuel type and registration year, KN17 POJ 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 KN17 POJ?
KN17 POJ is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.