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 7 MOT tests on record, passing every one. It has 84,816 miles on the clock, averaging 7,445 miles per year, around the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for KT66 CSF
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
About average| Latest reading | 84,816 miles |
| Reading date | |
| Miles last year | 7,264 |
| Average per year | 7,445 |
| Mileage consistency | Consistent |
Check KT66 CSF
- 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 7 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.
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 CSF |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2017 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 66 — September 2016 to February 2017 |
More KT66 C plates
Browse all KT66 C registrations from Luton.
About KT66 CSF
What car is KT66 CSF?
KT66 CSF is a black Seat Leon, petrol (1798cc). First registered in Luton in 2017.
What is the mileage of KT66 CSF?
The last recorded mileage for KT66 CSF was 84,816 miles, recorded on 30 Jun 2026 during its most recent MOT test.
Has KT66 CSF passed its MOT?
KT66 CSF has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 30 Jun 2026.
Is KT66 CSF ULEZ compliant?
Based on its fuel type and registration year, KT66 CSF 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 CSF?
KT66 CSF is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.