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 2017 Seat Mii Petrol 999cc has had 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 61,972 miles on the clock, averaging 7,331 miles per year, below the UK average of 7,400.
MOT & Mileage History for YF17 THN
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 | 61,972 miles |
| Reading date | |
| Miles last year | 9,243 |
| Average per year | 7,331 |
| Mileage consistency | Variable |
Check YF17 THN
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 9 tests on record
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Vehicle Details
| Registration | YF17 THN |
| Make | Seat |
| Model | Mii |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2017 |
| First registered | |
| Area code | YF — Leeds, Yorkshire |
| Age identifier | 17 — March 2017 to August 2017 |
More YF17 T plates
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About YF17 THN
What car is YF17 THN?
YF17 THN is a black Seat Mii, petrol (999cc). First registered in Leeds in 2017.
What is the mileage of YF17 THN?
The last recorded mileage for YF17 THN was 61,972 miles, recorded on 9 Jul 2026 during its most recent MOT test.
Has YF17 THN passed its MOT?
YF17 THN has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 9 Jul 2026.
Is YF17 THN ULEZ compliant?
Based on its fuel type and registration year, YF17 THN is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is YF17 THN?
YF17 THN is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.