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 3 MOT tests on record, passing every one. It has 21,495 miles on the clock, averaging 6,932 miles per year, below the UK average of 7,400.
MOT & Mileage History for DE71 BYR
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
Below average| Latest reading | 21,495 miles |
| Reading date | |
| Miles last year | 10,635 |
| Average per year | 6,932 |
| Mileage consistency | Variable |
Check DE71 BYR
- 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 3 tests on record
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Vehicle Details
| Registration | DE71 BYR |
| Make | Seat |
| Model | Mii Ev |
| Colour | White |
| Fuel type | Electric |
| Year | 2021 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 71 — September 2021 to February 2022 |
More DE71 B plates
Browse all DE71 B registrations from Chester.
About DE71 BYR
What car is DE71 BYR?
DE71 BYR is a white Seat Mii Ev, electric. First registered in Chester in 2021.
What is the mileage of DE71 BYR?
The last recorded mileage for DE71 BYR was 21,495 miles, recorded on 20 Jul 2026 during its most recent MOT test.
Has DE71 BYR passed its MOT?
DE71 BYR has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 20 Jul 2026.
Is DE71 BYR ULEZ compliant?
Based on its fuel type and registration year, DE71 BYR 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 DE71 BYR?
DE71 BYR is approximately 5 years old. Age identifier 71 means registered between 1 September 2021 and 28 February 2022.