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 Diesel 1598cc has had 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 20,254 miles on the clock, averaging 2,047 miles per year, well below the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for SM18 NPJ
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 | 20,254 miles |
| Reading date | |
| Miles last year | 1,498 |
| Average per year | 2,047 |
| Mileage consistency | Consistent |
Check SM18 NPJ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Plate & colour change history
- Franchised dealer records
- 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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | SM18 NPJ |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2018 |
| First registered | |
| Area code | SM — Edinburgh, Scotland |
| Age identifier | 18 — March 2018 to August 2018 |
More SM18 N plates
Browse all SM18 N registrations from Edinburgh.
About SM18 NPJ
What car is SM18 NPJ?
SM18 NPJ is an black Seat Leon, diesel (1598cc). First registered in Edinburgh in 2018.
What is the mileage of SM18 NPJ?
The last recorded mileage for SM18 NPJ was 20,254 miles, recorded on 9 Jun 2026 during its most recent MOT test.
Has SM18 NPJ passed its MOT?
SM18 NPJ has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 9 Jun 2026.
Is SM18 NPJ ULEZ compliant?
Based on its fuel type and registration year, SM18 NPJ is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is SM18 NPJ?
SM18 NPJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.