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 2014 Seat Leon Diesel 1968cc has had 11 MOT tests on record, passing 10 and failing once (91% pass rate). It has 132,772 miles on the clock, averaging 9,466 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for NX55 HAX
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 | 132,772 miles |
| Reading date | |
| Miles last year | 7,404 |
| Average per year | 9,466 |
| Mileage consistency | Variable |
Check NX55 HAX
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 11 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.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
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Vehicle Details
| Registration | NX55 HAX |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2014 |
| First registered | |
| Area code | NX — Stockton, North |
| Age identifier | 55 — September 2005 to February 2006 |
More NX55 H plates
Browse all NX55 H registrations from Stockton.
About NX55 HAX
What car is NX55 HAX?
NX55 HAX is an black Seat Leon, diesel (1968cc). First registered in Stockton in 2014.
What is the mileage of NX55 HAX?
The last recorded mileage for NX55 HAX was 132,772 miles, recorded on 1 Aug 2026 during its most recent MOT test.
Has NX55 HAX passed its MOT?
NX55 HAX has had 11 MOT tests with an 91% pass rate (10 passes, 1 failure). It last passed on 1 Aug 2026.
Is NX55 HAX ULEZ compliant?
Based on its fuel type and registration year, NX55 HAX is likely not ULEZ compliant. As a diesel vehicle registered in 2014, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is NX55 HAX?
NX55 HAX is approximately 12 years old. Age identifier 55 means registered between 1 September 2005 and 28 February 2006.