SEAT Mii build years & generations
The SEAT Mii has one named generation (2012-2020). See how each group of build years does at its MOT.
Which year is which
Build years & generations, side by side
Find the build years you're looking at and see which generation they are. You'll also see which group of build years the MOT figures come from.
Built 2012
- Generation
- Mk1 (AA)
- Figures from
- cars built 2009-2012
Counted with this generation only.
Built 2013-2016
- Generation
- Mk1 (AA)
- Figures from
- cars built 2013-2016
Counted with this generation only.
Built 2017-2020
- Generation
- Mk1 (AA)
- Figures from
- cars built 2017-2020
Counted with this generation only.
“Figures from” is the group of build years behind each card's MOT figures. Years where one generation gave way to the next can sit in a wider group until there's enough history to split them.
By build-year group
How each group of build years performs
Each card shows MOT results for one group of SEAT Mii build years. “Age” means the car's age on the day of its MOT, not its build year. “25+” groups every test on cars aged 25 or older.
Built2021 onwards
No generation name yet
We have MOT figures for these build years, but no generation name for them yet.
Fail rate at 4 years old (latest age)
12.0%
UK average for cars this age: about 1 in 8 (12.5%)
Ages with data
3 to 4 years old
MOT tests counted
1,220
Chart shows
Age at the MOT
Not the build year
2021 onwards
No generation name yet
We have MOT figures for these build years, but no generation name for them yet.
Fail rate at 4 years old (latest age)
12.0%
UK average for cars this age: about 1 in 8 (12.5%)
Ages with data
3 to 4 years old
MOT tests counted
1,220
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 4 years old.
Built2017-2020
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 7 years old
15.1%
UK average for cars this age: about 1 in 6 (17.1%)
Ages with data
4 to 8 years old
MOT tests counted
5,080
Chart shows
Age at the MOT
Not the build year
2017-2020
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 7 years old
15.1%
UK average for cars this age: about 1 in 6 (17.1%)
Ages with data
4 to 8 years old
MOT tests counted
5,080
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 8 years old.
Built2013-2016
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
22.9%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
8 to 12 years old
MOT tests counted
14,524
Chart shows
Age at the MOT
Not the build year
2013-2016
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
22.9%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
8 to 12 years old
MOT tests counted
14,524
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 12 years old.
Built2009-2012
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 13 years old (latest age)
23.4%
UK average for cars this age: about 3 in 10 (27.7%)
Ages with data
12 to 13 years old
MOT tests counted
2,221
Chart shows
Age at the MOT
Not the build year
2009-2012
Mk1 (AA) only
These build years are all Mk1 (AA), so the figures are almost all from that generation.
Fail rate at 13 years old (latest age)
23.4%
UK average for cars this age: about 3 in 10 (27.7%)
Ages with data
12 to 13 years old
MOT tests counted
2,221
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 13 years old.