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 2014 Seat Leon Petrol 1798cc has had 9 MOT tests on record, passing every one. It has 145,054 miles on the clock, averaging 11,244 miles per year, above the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for OU14 SDX
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 | 145,054 miles |
| Reading date | |
| Miles last year | 2,032 |
| Average per year | 11,244 |
| Mileage consistency | Variable |
Check OU14 SDX
- 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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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.
CJSA
Piston rings (faulty design leading to excessive oil consumption)
Premature wear on thin piston rings causes high oil burn-off, often 1 quart per 1,000-2,000 miles.[1][6]
Explore more about the Seat Leon
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Vehicle Details
| Registration | OU14 SDX |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2014 |
| First registered | |
| Area code | OU — Oxford, Oxford |
| Age identifier | 14 — March 2014 to August 2014 |
More OU14 S plates
Browse all OU14 S registrations from Oxford.
About OU14 SDX
What car is OU14 SDX?
OU14 SDX is an silver Seat Leon, petrol (1798cc). First registered in Oxford in 2014.
What is the mileage of OU14 SDX?
The last recorded mileage for OU14 SDX was 145,054 miles, recorded on 25 Nov 2025 during its most recent MOT test.
Has OU14 SDX passed its MOT?
OU14 SDX has had 9 MOT tests with an 100% pass rate (9 passes, 0 failures). It last passed on 25 Nov 2025.
Is OU14 SDX ULEZ compliant?
Based on its fuel type and registration year, OU14 SDX is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is OU14 SDX?
OU14 SDX is approximately 12 years old. Age identifier 14 means registered between 1 March 2014 and 31 August 2014.