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 2006 Seat Leon Diesel 1968cc has had 24 MOT tests on record, passing 16 and failing 8 (67% pass rate). It has 132,795 miles on the clock, averaging 6,341 miles per year, below the UK average of 7,400.
MOT & Mileage History for YH56 ONX
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 | 132,795 miles |
| Reading date | |
| Miles last year | 5,800 |
| Average per year | 6,341 |
| Mileage consistency | Variable |
Check YH56 ONX
- 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 24 tests on record
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Vehicle Details
| Registration | YH56 ONX |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2006 |
| First registered | |
| Area code | YH — Leeds, Yorkshire |
| Age identifier | 56 — September 2006 to February 2007 |
More YH56 O plates
Browse all YH56 O registrations from Leeds.
About YH56 ONX
What car is YH56 ONX?
YH56 ONX is a black Seat Leon, diesel (1968cc). First registered in Leeds in 2006.
What is the mileage of YH56 ONX?
The last recorded mileage for YH56 ONX was 132,795 miles, recorded on 24 Nov 2025 during its most recent MOT test.
Has YH56 ONX passed its MOT?
YH56 ONX has had 24 MOT tests with a 67% pass rate (16 passes, 8 failures). It last passed on 24 Nov 2025.
Is YH56 ONX ULEZ compliant?
Based on its fuel type and registration year, YH56 ONX is likely not ULEZ compliant. As a diesel vehicle registered in 2006, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is YH56 ONX?
YH56 ONX is approximately 20 years old. Age identifier 56 means registered between 1 September 2006 and 28 February 2007.