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 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 50,022 miles on the clock, averaging 7,629 miles per year, around the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for BL18 ULJ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
About average| Latest reading | 50,022 miles |
| Reading date | |
| Miles last year | 8,266 |
| Average per year | 7,629 |
| Mileage consistency | Consistent |
Check BL18 ULJ
- 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 4 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 | BL18 ULJ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2018 |
| First registered | |
| Area code | BL — Birmingham, Birmingham |
| Age identifier | 18 — March 2018 to August 2018 |
More BL18 U plates
Browse all BL18 U registrations from Birmingham.
About BL18 ULJ
What car is BL18 ULJ?
BL18 ULJ is a blue Seat Leon, petrol (1798cc). First registered in Birmingham in 2018.
What is the mileage of BL18 ULJ?
The last recorded mileage for BL18 ULJ was 50,022 miles, recorded on 5 Apr 2023 during its most recent MOT test.
Has BL18 ULJ passed its MOT?
BL18 ULJ has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 5 Apr 2023.
Is BL18 ULJ ULEZ compliant?
Based on its fuel type and registration year, BL18 ULJ 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 BL18 ULJ?
BL18 ULJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.