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 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 116,349 miles on the clock, averaging 13,536 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for NA66 UBX
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
Above average| Latest reading | 116,349 miles |
| Reading date | |
| Miles last year | 36,627 |
| Average per year | 13,536 |
| Mileage consistency | Consistent |
Check NA66 UBX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- 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 | NA66 UBX |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2016 |
| First registered | |
| Area code | NA — Newcastle, North |
| Age identifier | 66 — September 2016 to February 2017 |
More NA66 U plates
Browse all NA66 U registrations from Newcastle.
About NA66 UBX
What car is NA66 UBX?
NA66 UBX is an black Seat Leon, diesel (1598cc). First registered in Newcastle in 2016.
What is the mileage of NA66 UBX?
The last recorded mileage for NA66 UBX was 116,349 miles, recorded on 3 Mar 2025 during its most recent MOT test.
Has NA66 UBX passed its MOT?
NA66 UBX has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 3 Mar 2025.
Is NA66 UBX ULEZ compliant?
Based on its fuel type and registration year, NA66 UBX 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 NA66 UBX?
NA66 UBX is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.