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 2012 Seat Leon Petrol 1197cc has had 17 MOT tests on record, passing 11 and failing 6 (65% pass rate). It has 120,711 miles on the clock, averaging 9,597 miles per year, above the UK average of 7,400.
MOT & Mileage History for KM12 XYJ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 120,711 miles |
| Reading date | |
| Average per year | 9,597 |
| Mileage consistency | Variable |
Check KM12 XYJ
- 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 17 tests on record
Similar cars to consider
Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KM12 XYJ |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1197cc |
| Year | 2012 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 12 — March 2012 to August 2012 |
More KM12 X plates
Browse all KM12 X registrations from Luton.
About KM12 XYJ
What car is KM12 XYJ?
KM12 XYJ is a silver Seat Leon, petrol (1197cc). First registered in Luton in 2012.
What is the mileage of KM12 XYJ?
The last recorded mileage for KM12 XYJ was 120,711 miles, recorded on 5 Dec 2025 during its most recent MOT test.
Has KM12 XYJ passed its MOT?
KM12 XYJ has had 17 MOT tests with a 65% pass rate (11 passes, 6 failures). It last passed on 5 Dec 2025.
Is KM12 XYJ ULEZ compliant?
Based on its fuel type and registration year, KM12 XYJ 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 KM12 XYJ?
KM12 XYJ is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.