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 Petrol 1798cc has had 12 MOT tests on record, passing 9 and failing 3 (75% pass rate). It has 98,511 miles on the clock, averaging 10,621 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 SJ15 DNF
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 | 98,511 miles |
| Reading date | |
| Miles last year | 8,198 |
| Average per year | 10,621 |
| Mileage consistency | Consistent |
Check SJ15 DNF
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Full MOT Test History 12 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]
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Vehicle Details
| Registration | SJ15 DNF |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2015 |
| First registered | |
| Area code | SJ — Glasgow, Scotland |
| Age identifier | 15 — March 2015 to August 2015 |
More SJ15 D plates
Browse all SJ15 D registrations from Glasgow.
About SJ15 DNF
What car is SJ15 DNF?
SJ15 DNF is an black Seat Leon, petrol (1798cc). First registered in Glasgow in 2015.
What is the mileage of SJ15 DNF?
The last recorded mileage for SJ15 DNF was 98,511 miles, recorded on 2 Jan 2026 during its most recent MOT test.
Has SJ15 DNF passed its MOT?
SJ15 DNF has had 12 MOT tests with a 75% pass rate (9 passes, 3 failures). It last passed on 2 Jan 2026.
Is SJ15 DNF ULEZ compliant?
Based on its fuel type and registration year, SJ15 DNF 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 SJ15 DNF?
SJ15 DNF is approximately 11 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.