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 1968cc has had 12 MOT tests on record, passing 9 and failing 3 (75% pass rate). It has 151,653 miles on the clock, averaging 13,289 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 HN66 UOS
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 151,653 miles |
| Reading date | |
| Miles last year | 13,464 |
| Average per year | 13,289 |
| Mileage consistency | Variable |
Check HN66 UOS
- 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 12 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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | HN66 UOS |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2016 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 66 — September 2016 to February 2017 |
More HN66 U plates
Browse all HN66 U registrations from Portsmouth.
About HN66 UOS
What car is HN66 UOS?
HN66 UOS is an white Seat Leon, diesel (1968cc). First registered in Portsmouth in 2016.
What is the mileage of HN66 UOS?
The last recorded mileage for HN66 UOS was 151,653 miles, recorded on 9 Feb 2026 during its most recent MOT test.
Has HN66 UOS passed its MOT?
HN66 UOS has had 12 MOT tests with a 75% pass rate (9 passes, 3 failures). It last passed on 9 Feb 2026.
Is HN66 UOS ULEZ compliant?
Based on its fuel type and registration year, HN66 UOS 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 HN66 UOS?
HN66 UOS is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.