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 2010 Seat Leon Diesel 1598cc has had 16 MOT tests on record, passing 14 and failing 2 (88% pass rate). It has 168,436 miles on the clock, averaging 9,003 miles per year, above the UK average of 7,400.
MOT & Mileage History for OY10 ONJ
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 | 168,436 miles |
| Reading date | |
| Miles last year | 14,097 |
| Average per year | 9,003 |
| Mileage consistency | Variable |
Check OY10 ONJ
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 16 tests on record
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Vehicle Details
| Registration | OY10 ONJ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2010 |
| First registered | |
| Area code | OY — Oxford, Oxford |
| Age identifier | 10 — March 2010 to August 2010 |
More OY10 O plates
Browse all OY10 O registrations from Oxford.
About OY10 ONJ
What car is OY10 ONJ?
OY10 ONJ is an blue Seat Leon, diesel (1598cc). First registered in Oxford in 2010.
What is the mileage of OY10 ONJ?
The last recorded mileage for OY10 ONJ was 168,436 miles, recorded on 13 Jan 2026 during its most recent MOT test.
Has OY10 ONJ passed its MOT?
OY10 ONJ has had 16 MOT tests with an 88% pass rate (14 passes, 2 failures). It last passed on 13 Jan 2026.
Is OY10 ONJ ULEZ compliant?
Based on its fuel type and registration year, OY10 ONJ is likely not ULEZ compliant. As a diesel vehicle registered in 2010, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is OY10 ONJ?
OY10 ONJ is approximately 16 years old. Age identifier 10 means registered between 1 March 2010 and 31 August 2010.