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 2015 Seat Leon Diesel 1598cc has had 9 MOT tests on record, passing every one. It has 51,244 miles on the clock, averaging 5,068 miles per year, below the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for OU15 ONZ
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 | 51,244 miles |
| Reading date | |
| Miles last year | 5,616 |
| Average per year | 5,068 |
| Mileage consistency | Consistent |
Check OU15 ONZ
- 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 9 tests on record
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Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | OU15 ONZ |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2015 |
| First registered | |
| Area code | OU — Oxford, Oxford |
| Age identifier | 15 — March 2015 to August 2015 |
More OU15 O plates
Browse all OU15 O registrations from Oxford.
About OU15 ONZ
What car is OU15 ONZ?
OU15 ONZ is an white Seat Leon, diesel (1598cc). First registered in Oxford in 2015.
What is the mileage of OU15 ONZ?
The last recorded mileage for OU15 ONZ was 51,244 miles, recorded on 23 Feb 2026 during its most recent MOT test.
Has OU15 ONZ passed its MOT?
OU15 ONZ has had 9 MOT tests with an 100% pass rate (9 passes, 0 failures). It last passed on 23 Feb 2026.
Is OU15 ONZ ULEZ compliant?
Based on its fuel type and registration year, OU15 ONZ is likely not ULEZ compliant. As a diesel vehicle registered in 2015, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is OU15 ONZ?
OU15 ONZ is approximately 11 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.