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 Petrol 1798cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 42,673 miles on the clock, averaging 2,809 miles per year, well below the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for KT66 BZJ
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
Low mileage| Latest reading | 42,673 miles |
| Reading date | |
| Miles last year | 3,206 |
| Average per year | 2,809 |
| Mileage consistency | Variable |
Check KT66 BZJ
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Independent garage visits
- 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.
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 | KT66 BZJ |
| Make | Seat |
| Model | Leon |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2017 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 66 — September 2016 to February 2017 |
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About KT66 BZJ
What car is KT66 BZJ?
KT66 BZJ is a red Seat Leon, petrol (1798cc). First registered in Luton in 2017.
What is the mileage of KT66 BZJ?
The last recorded mileage for KT66 BZJ was 42,673 miles, recorded on 28 Apr 2026 during its most recent MOT test.
Has KT66 BZJ passed its MOT?
KT66 BZJ has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 28 Apr 2026.
Is KT66 BZJ ULEZ compliant?
Based on its fuel type and registration year, KT66 BZJ 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 KT66 BZJ?
KT66 BZJ is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.