Toyota

Toyota Prius build years & generations

Coverage 2004-present4 named generationsHatchbackUNKNOWN / PETROL / ELECTRICITY / HYBRID ELECTRIC

The Toyota Prius spans several build years and named generations (2004-present). Match a build year to its generation, then see how each group of build years does at its MOT.

Newest Toyota Prius generation shown; older shapes are pictured on the cards below.

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 2004
Generation
Mk2 (XW20)
Figures from
cars built before 2005
Counted with every car built before 2005, so much older cars can affect the figures.
Built 2005-2008
Generation
Mk2 (XW20)
Figures from
cars built 2005-2008
Counted with this generation only.
Built 2009-2012
Generation
Mk3 (XW30)
Figures from
cars built 2009-2012
Counted with this generation only.
Built 2013-2015
Generation
Mk3 (XW30)
Figures from
cars built 2013-2016
Counted together with Mk3 (XW30) and Mk4 (XW50) cars built in the same years.
Built 2016
Generation
Mk4 (XW50)
Figures from
cars built 2013-2016
Counted together with Mk3 (XW30) and Mk4 (XW50) cars built in the same years.
Built 2017-2020
Generation
Mk4 (XW50)
Figures from
cars built 2017-2020
Counted with this generation only.
Built 2021-2022
Generation
Mk4 (XW50)
Figures from
cars built 2021 onwards
Counted together with Mk4 (XW50) and Mk5 (XW60) cars built in the same years.
Built 2023+
Generation
Mk5 (XW60)
Figures from
cars built 2021 onwards
Counted together with Mk4 (XW50) and Mk5 (XW60) cars built in the same years.

Build years	Generation	Figures from cars built	What to know
2004	Mk2 (XW20)	Before 2005	Counted with every car built before 2005, so much older cars can affect the figures.
2005-2008	Mk2 (XW20)	2005-2008	Counted with this generation only.
2009-2012	Mk3 (XW30)	2009-2012	Counted with this generation only.
2013-2015	Mk3 (XW30)	2013-2016	Counted together with Mk3 (XW30) and Mk4 (XW50) cars built in the same years.
2016	Mk4 (XW50)	2013-2016	Counted together with Mk3 (XW30) and Mk4 (XW50) cars built in the same years.
2017-2020	Mk4 (XW50)	2017-2020	Counted with this generation only.
2021-2022	Mk4 (XW50)	2021 onwards	Counted together with Mk4 (XW50) and Mk5 (XW60) cars built in the same years.
2023+	Mk5 (XW60)	2021 onwards	Counted together with Mk4 (XW50) and Mk5 (XW60) cars built in the same years.

“Figures from cars built” is the group of build years behind each row'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.

“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 Toyota Prius 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.

Built

2021 onwards

A mix of Mk4 (XW50) and Mk5 (XW60)

These build years include both Mk4 (XW50) and Mk5 (XW60) cars, so the figures are less exact than for a single generation.

Fail rate at 4 years old (latest age)

8.1%

UK average for cars this age: about 1 in 8 (12.5%)

Ages with data

3 to 4 years old

MOT tests counted

4,529

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

3 years

2,5096.2%

4 years

2,0208.1%

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.

Built

2017-2020

Mk4 (XW50) only

These build years are all Mk4 (XW50), so the figures are almost all from that generation.

Fail rate at 7 years old

11.1%

UK average for cars this age: about 1 in 6 (17.1%)

Ages with data

4 to 8 years old

MOT tests counted

65,650

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

4 years

3,9359.8%

5 years

16,76910.1%

6 years

17,40010.7%

7 years

17,36711.1%

8 years

10,17912.3%

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.

Built

2013-2016

A mix of Mk3 (XW30) and Mk4 (XW50)

These build years include both Mk3 (XW30) and Mk4 (XW50) cars, so the figures are less exact than for a single generation.

Fail rate at 12 years old (latest age)

21.2%

UK average for cars this age: about 1 in 4 (25.9%)

Ages with data

8 to 12 years old

MOT tests counted

59,993

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

8 years

8,09013.0%

9 years

19,04116.5%

10 years

16,28618.7%

11 years

11,14819.8%

12 years

5,42821.2%

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.

Built

2009-2012

Mk3 (XW30) only

These build years are all Mk3 (XW30), so the figures are almost all from that generation.

Fail rate at 16 years old (latest age)

26.1%

UK average for cars this age: about 3 in 10 (30%)

Ages with data

12 to 16 years old

MOT tests counted

40,671

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

12 years

5,14121.5%

13 years

9,86523.5%

14 years

9,65224.8%

15 years

12,15025.6%

16 years

3,86326.1%

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 16 years old.

Built

2005-2008

Mk2 (XW20) only

These build years are all Mk2 (XW20), so the figures are almost all from that generation.

Fail rate at 20 years old (latest age)

27.4%

UK average for cars this age: about 3 in 10 (30.3%)

Ages with data

16 to 20 years old

MOT tests counted

23,534

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

16 years

3,31427.0%

17 years

8,27327.5%

18 years

6,85927.7%

19 years

3,51929.2%

20 years

1,56927.4%

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 19 years old.

Built

Before 2005

Mk2 (XW20) only

Counts every car built before 2005, so older cars with the same model name can be included as well as the Mk2 (XW20).

Fail rate at 21 years old (latest age)

28.0%

UK average for cars this age: about 3 in 10 (30.2%)

Ages with data

20 to 21 years old

MOT tests counted

1,116

Chart shows

Age at the MOT

Not the build year

Below typicalAbove typicalHigh (28% or more)Highest fail rateUK average for all vehicles this age

AgeFail rateMOT tests

20 years

45930.5%

21 years

65728.0%

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 20 years old.