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 2021 Seat Mii Ev Electric has had 2 MOT tests on record, passing every one. It has 28,674 miles on the clock, averaging 6,949 miles per year, below the UK average of 7,400.
MOT & Mileage History for YO21 BYC
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
Below average| Latest reading | 28,674 miles |
| Reading date | |
| Miles last year | 8,374 |
| Average per year | 6,949 |
| Mileage consistency | Consistent |
Check YO21 BYC
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 2 tests on record
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Vehicle Details
| Registration | YO21 BYC |
| Make | Seat |
| Model | Mii Ev |
| Colour | Silver |
| Fuel type | Electric |
| Year | 2021 |
| First registered | |
| Area code | YO — Sheffield, Yorkshire |
| Age identifier | 21 — March 2021 to August 2021 |
More YO21 B plates
Browse all YO21 B registrations from Sheffield.
About YO21 BYC
What car is YO21 BYC?
YO21 BYC is a silver Seat Mii Ev, electric. First registered in Sheffield in 2021.
What is the mileage of YO21 BYC?
The last recorded mileage for YO21 BYC was 28,674 miles, recorded on 6 Aug 2025 during its most recent MOT test.
Has YO21 BYC passed its MOT?
YO21 BYC has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 6 Aug 2025.
Is YO21 BYC ULEZ compliant?
Based on its fuel type and registration year, YO21 BYC is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is YO21 BYC?
YO21 BYC is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.