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 2018 Seat Leon Petrol 1798cc has had 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 37,277 miles on the clock, averaging 4,980 miles per year, well below the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for SD18 OSY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 37,277 miles |
| Reading date | |
| Miles last year | 6,435 |
| Average per year | 4,980 |
| Mileage consistency | Consistent |
Check SD18 OSY
- Write-off & insurance claims Experian
- Outstanding finance check 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 7 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.
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 | SD18 OSY |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2018 |
| First registered | |
| Area code | SD — Glasgow, Scotland |
| Age identifier | 18 — March 2018 to August 2018 |
More SD18 O plates
Browse all SD18 O registrations from Glasgow.
About SD18 OSY
What car is SD18 OSY?
SD18 OSY is an silver Seat Leon, petrol (1798cc). First registered in Glasgow in 2018.
What is the mileage of SD18 OSY?
The last recorded mileage for SD18 OSY was 37,277 miles, recorded on 13 Apr 2026 during its most recent MOT test.
Has SD18 OSY passed its MOT?
SD18 OSY has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 13 Apr 2026.
Is SD18 OSY ULEZ compliant?
Based on its fuel type and registration year, SD18 OSY 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 SD18 OSY?
SD18 OSY is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.