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 7 and failing 2 (78% pass rate). It has 80,161 miles on the clock, averaging 8,918 miles per year, around the UK average of 7,400.
MOT & Mileage History for YL66 ZSK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 80,161 miles |
| Reading date | |
| Miles last year | 8,977 |
| Average per year | 8,918 |
| Mileage consistency | Variable |
Check YL66 ZSK
- Write-off & insurance claims Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 9 tests on record
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Vehicle Details
| Registration | YL66 ZSK |
| Make | Seat |
| Model | Mii |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2017 |
| First registered | |
| Area code | YL — Sheffield, Yorkshire |
| Age identifier | 66 — September 2016 to February 2017 |
More YL66 Z plates
Browse all YL66 Z registrations from Sheffield.
About YL66 ZSK
What car is YL66 ZSK?
YL66 ZSK is a silver Seat Mii, petrol (999cc). First registered in Sheffield in 2017.
What is the mileage of YL66 ZSK?
The last recorded mileage for YL66 ZSK was 80,161 miles, recorded on 2 Dec 2025 during its most recent MOT test.
Has YL66 ZSK passed its MOT?
YL66 ZSK has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 2 Dec 2025.
Is YL66 ZSK ULEZ compliant?
Based on its fuel type and registration year, YL66 ZSK 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 YL66 ZSK?
YL66 ZSK is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.