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 2007 Seat Leon Diesel 1968cc has had 20 MOT tests on record, passing 16 and failing 4 (80% pass rate). It has 114,267 miles on the clock, averaging 6,031 miles per year, below the UK average of 7,400.
MOT & Mileage History for KG57 XJJ
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
Below average| Latest reading | 114,267 miles |
| Reading date | |
| Miles last year | 1,718 |
| Average per year | 6,031 |
| Mileage consistency | Variable |
Check KG57 XJJ
- 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 20 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 | KG57 XJJ |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2007 |
| First registered | |
| Area code | KG — Northampton, Luton and Northampton |
| Age identifier | 57 — September 2007 to February 2008 |
More KG57 X plates
Browse all KG57 X registrations from Northampton.
About KG57 XJJ
What car is KG57 XJJ?
KG57 XJJ is a grey Seat Leon, diesel (1968cc). First registered in Northampton in 2007.
What is the mileage of KG57 XJJ?
The last recorded mileage for KG57 XJJ was 114,267 miles, recorded on 22 Apr 2026 during its most recent MOT test.
Has KG57 XJJ passed its MOT?
KG57 XJJ has had 20 MOT tests with an 80% pass rate (16 passes, 4 failures). It last passed on 22 Apr 2026.
Is KG57 XJJ ULEZ compliant?
Based on its fuel type and registration year, KG57 XJJ is likely not ULEZ compliant. As a diesel vehicle registered in 2007, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KG57 XJJ?
KG57 XJJ is approximately 19 years old. Age identifier 57 means registered between 1 September 2007 and 28 February 2008.