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 2018 Seat Leon Diesel 1968cc has had 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 49,228 miles on the clock, averaging 6,221 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 KX18 UCJ
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 | 49,228 miles |
| Reading date | |
| Miles last year | 4,838 |
| Average per year | 6,221 |
| Mileage consistency | Consistent |
Check KX18 UCJ
- 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
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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
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Vehicle Details
| Registration | KX18 UCJ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2018 |
| First registered | |
| Area code | KX — Luton, Luton and Northampton |
| Age identifier | 18 — March 2018 to August 2018 |
More KX18 U plates
Browse all KX18 U registrations from Luton.
About KX18 UCJ
What car is KX18 UCJ?
KX18 UCJ is a blue Seat Leon, diesel (1968cc). First registered in Luton in 2018.
What is the mileage of KX18 UCJ?
The last recorded mileage for KX18 UCJ was 49,228 miles, recorded on 26 Sep 2025 during its most recent MOT test.
Has KX18 UCJ passed its MOT?
KX18 UCJ has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 26 Sep 2025.
Is KX18 UCJ ULEZ compliant?
Based on its fuel type and registration year, KX18 UCJ 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 KX18 UCJ?
KX18 UCJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.