
Jeep Wrangler build years & generations
The Jeep Wrangler spans several build years and named generations (2007-present). Match a build year to its generation, then 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 2007-2008
- Generation
- JK
- Figures from
- cars built 2005-2008
Counted with this generation only.
Built 2009-2012
- Generation
- JK
- Figures from
- cars built 2009-2012
Counted with this generation only.
Built 2013-2016
- Generation
- JK
- Figures from
- cars built 2013-2016
Counted with this generation only.
Built 2017
- Generation
- JK
- Figures from
- cars built 2017-2020
Counted together with JK and JL cars built in the same years.
Built 2018-2020
- Generation
- JL
- Figures from
- cars built 2017-2020
Counted together with JK and JL cars built in the same years.
Built 2021+
- Generation
- JL
- Figures from
- cars built 2021 onwards
Counted with every car built from 2021.
“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 Jeep Wrangler 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
JL only
All JL cars built from 2021. Newer cars join this group until there is enough MOT history to split it.
Fail rate at 4 years old (latest age)
7.9%
UK average for cars this age: about 1 in 8 (12.5%)
Ages with data
3 to 4 years old
MOT tests counted
941
Chart shows
Age at the MOT
Not the build year

2021 onwards
JL only
All JL cars built from 2021. Newer cars join this group until there is enough MOT history to split it.
Fail rate at 4 years old (latest age)
7.9%
UK average for cars this age: about 1 in 8 (12.5%)
Ages with data
3 to 4 years old
MOT tests counted
941
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 3 years old.
Built2017-2020
A mix of JK and JL
These build years include both JK and JL cars, so the figures are less exact than for a single generation.
Fail rate at 7 years old
19.3%
UK average for cars this age: about 1 in 6 (17.1%)
Ages with data
4 to 8 years old
MOT tests counted
2,228
Chart shows
Age at the MOT
Not the build year

2017-2020
A mix of JK and JL
These build years include both JK and JL cars, so the figures are less exact than for a single generation.
Fail rate at 7 years old
19.3%
UK average for cars this age: about 1 in 6 (17.1%)
Ages with data
4 to 8 years old
MOT tests counted
2,228
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 7 years old.
Built2013-2016
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
21.9%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
8 to 12 years old
MOT tests counted
1,833
Chart shows
Age at the MOT
Not the build year

2013-2016
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
21.9%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
8 to 12 years old
MOT tests counted
1,833
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 10 years old.
Built2009-2012
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
27.5%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
12 to 16 years old
MOT tests counted
698
Chart shows
Age at the MOT
Not the build year

2009-2012
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
27.5%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
12 to 16 years old
MOT tests counted
698
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 14 years old.
Built2005-2008
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 19 years old (latest age)
24.0%
UK average for cars this age: about 3 in 10 (30.8%)
Ages with data
17 to 19 years old
MOT tests counted
562
Chart shows
Age at the MOT
Not the build year

2005-2008
JK only
These build years are all JK, so the figures are almost all from that generation.
Fail rate at 19 years old (latest age)
24.0%
UK average for cars this age: about 3 in 10 (30.8%)
Ages with data
17 to 19 years old
MOT tests counted
562
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 17 years old.
BuiltBefore 2005
No generation name yet
We have MOT figures for these build years, but no generation name for them yet.
Fail rate at 25+ years old
29.1%
UK average for cars this age: about 1 in 4 (23%)
Ages with data
20 to 25+ years old
MOT tests counted
2,134
Chart shows
Age at the MOT
Not the build year
Before 2005
No generation name yet
We have MOT figures for these build years, but no generation name for them yet.
Fail rate at 25+ years old
29.1%
UK average for cars this age: about 1 in 4 (23%)
Ages with data
20 to 25+ years old
MOT tests counted
2,134
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 23 years old.
