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 2004 Seat Leon Petrol 1598cc has had 15 MOT tests on record, passing 11 and failing 4 (73% pass rate). It has 128,386 miles on the clock, averaging 10,232 miles per year, above the UK average of 7,400.
MOT & Mileage History for OU04 NNL
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
Above average| Latest reading | 128,386 miles |
| Reading date | |
| Miles last year | 58 |
| Average per year | 10,232 |
| Mileage consistency | Consistent |
Check OU04 NNL
- 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 15 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 | OU04 NNL |
| Make | Seat |
| Model | Leon |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1598cc |
| Year | 2004 |
| First registered | |
| Area code | OU — Oxford, Oxford |
| Age identifier | 04 — March 2004 to August 2004 |
More OU04 N plates
Browse all OU04 N registrations from Oxford.
About OU04 NNL
What car is OU04 NNL?
OU04 NNL is an red Seat Leon, petrol (1598cc). First registered in Oxford in 2004.
What is the mileage of OU04 NNL?
The last recorded mileage for OU04 NNL was 128,386 miles, recorded on 11 May 2017 during its most recent MOT test.
Has OU04 NNL passed its MOT?
OU04 NNL has had 15 MOT tests with a 73% pass rate (11 passes, 4 failures). It last passed on 11 May 2017.
Is OU04 NNL ULEZ compliant?
Based on its fuel type and registration year, OU04 NNL is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is OU04 NNL?
OU04 NNL is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.