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 66,225 miles on the clock, averaging 5,251 miles per year, below the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for HY14 ADX
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 | 66,225 miles |
| Reading date | |
| Miles last year | 4,308 |
| Average per year | 5,251 |
| Mileage consistency | Variable |
Check HY14 ADX
- 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 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 | HY14 ADX |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2014 |
| First registered | |
| Area code | HY — Portsmouth, Hampshire and Dorset |
| Age identifier | 14 — March 2014 to August 2014 |
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About HY14 ADX
What car is HY14 ADX?
HY14 ADX is an grey Seat Leon, diesel (1968cc). First registered in Portsmouth in 2014.
What is the mileage of HY14 ADX?
The last recorded mileage for HY14 ADX was 66,225 miles, recorded on 19 Dec 2025 during its most recent MOT test.
Has HY14 ADX passed its MOT?
HY14 ADX has had 11 MOT tests with an 91% pass rate (10 passes, 1 failure). It last passed on 19 Dec 2025.
Is HY14 ADX ULEZ compliant?
Based on its fuel type and registration year, HY14 ADX 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 HY14 ADX?
HY14 ADX is approximately 12 years old. Age identifier 14 means registered between 1 March 2014 and 31 August 2014.