Seat Mii Ev
From 2,150 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, a suspension pin, bush or joint excessively worn and a shock absorber damaged to the extent that it does not function or showing signs of severe leakage. The top issue, a tyre seriously damaged, caused 93 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a tyre seriously damaged | 93 |
| a suspension pin, bush or joint excessively worn | 36 |
| a shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 16 |
| tyre tread depth not in accordance with the requirements | 13 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 12 |
| a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber | 11 |
| wiper blade missing or obviously not clearing the windscreen | 6 |
| a spring or spring component fractured or seriously weakened | 6 |
| a tyre pressure monitoring system malfunctioning or obviously inoperative | 4 |
| the aim of a headlamp is not within limits laid down in the requirements | 4 |
How serious are these failures?
Not all MOT failures are equal. 64.2% of Mii Ev failures are safety items (worn brakes, tyre damage, steering play). The car still drives, but you shouldn't. Only 10.9% are the kind that would actually strand you. When it does fail, the average repair bill is around £107.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 88.4% | a tyre seriously damaged, a suspension pin, bush or joint excessively worn |
| 2020 | 89.6% | a tyre seriously damaged, a spring or spring component fractured or seriously weakened |
Typical mileage
Half of all Mii Evs tested had between 10,862 and 21,902 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 17,178 median miles, the Mii Ev has 0.066 failures per 10,000 miles driven.
Other Seat models
| Seat Ibiza | 74.7% |
| Seat Leon | 80.8% |
| Seat Ateca | 89.9% |
| Seat Arona | 87.2% |
| Seat Alhambra | 78.8% |
Common questions
What is the Seat Mii Ev MOT pass rate?
The Seat Mii Ev has a 88.6% MOT pass rate based on 2,150 real MOT tests. This is above the national average.
What are common MOT failures on a Seat Mii Ev?
The most common MOT failure on the Seat Mii Ev is a tyre seriously damaged, which caused 93 failures. Other common issues include a suspension pin, bush or joint excessively worn.
What is the typical mileage of a Seat Mii Ev at MOT?
The median mileage at MOT for a Seat Mii Ev is 17,178 miles. The middle 50% of vehicles tested have between 10,862 and 21,902 miles.
Buying a used Mii Ev?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.