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 2016 Seat Leon Diesel 1598cc has had 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 149,457 miles on the clock, averaging 6,919 miles per year, 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 NL66 UYY
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
Below average| Latest reading | 149,457 miles |
| Reading date | |
| Miles last year | 2,327 |
| Average per year | 6,919 |
| Mileage consistency | Variable |
Check NL66 UYY
- 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 6 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 | NL66 UYY |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2016 |
| First registered | |
| Area code | NL — Newcastle, North |
| Age identifier | 66 — September 2016 to February 2017 |
More NL66 U plates
Browse all NL66 U registrations from Newcastle.
About NL66 UYY
What car is NL66 UYY?
NL66 UYY is an black Seat Leon, diesel (1598cc). First registered in Newcastle in 2016.
What is the mileage of NL66 UYY?
The last recorded mileage for NL66 UYY was 149,457 miles, recorded on 25 Sep 2024 during its most recent MOT test.
Has NL66 UYY passed its MOT?
NL66 UYY has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 25 Sep 2024.
Is NL66 UYY ULEZ compliant?
Based on its fuel type and registration year, NL66 UYY 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 NL66 UYY?
NL66 UYY is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.