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 1968cc has had 7 MOT tests on record, passing every one. It has 81,477 miles on the clock, averaging 5,540 miles per year, below the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for KT66 CBY
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
Below average| Latest reading | 81,477 miles |
| Reading date | |
| Miles last year | 4,046 |
| Average per year | 5,540 |
| Mileage consistency | Consistent |
Check KT66 CBY
- 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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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.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KT66 CBY |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| 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 CBY
What car is KT66 CBY?
KT66 CBY is a grey Seat Leon, diesel (1968cc). First registered in Luton in 2017.
What is the mileage of KT66 CBY?
The last recorded mileage for KT66 CBY was 81,477 miles, recorded on 1 Dec 2025 during its most recent MOT test.
Has KT66 CBY passed its MOT?
KT66 CBY has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 1 Dec 2025.
Is KT66 CBY ULEZ compliant?
Based on its fuel type and registration year, KT66 CBY 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 KT66 CBY?
KT66 CBY is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.