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FB20

2.0i e-Boxer 150 hp (FB20 mild hybrid, 2019 onwards) engine: faults and reliability

Subaru bóxer (gasolina EJ and FB and diésel EE20) version

Buy

We have not found any documented engine faults in European sources, it is a recent engine and, among the campaigns in the British database, the November 2020 to June 2021 Forester only appears in one concerning the fuel pump (99 cars, R/2022/266).[1][2]

Years
since 2019
Power
150 hp
Faults that affect it
0
0 of high or critical severity
Cars that use it
2
in our database

4 sourcesHow we work

What changes in this version

Modified FB20 of 110 kW (150 hp) and 194 N·m with a 12.3 kW (16.7 hp) electric motor built into the Lineartronic gearbox; Subaru presented it for the European Forester at the Geneva Motor Show in March 2019. The XV II also has it. It does not include the 2024 Forester (SL) e-Boxer, which according to German Wikipedia has different specifications.[2][3][4]

Engine codes of this version: FB20.

Faults of the FB20 engine

The documented engine faults that affect this version and its years, from most to least important.

None of the documented Subaru bóxer faults affect this version. See all Subaru bóxer faults

Cars fitted with the FB20 engine

Open each car to see all its faults with this engine and what to check before buying it.

Subaru

Frequently asked questions

Is the FB20 engine reliable?

Our verdict is “Buy”. We have not found any documented engine faults in European sources, it is a recent engine and, among the campaigns in the British database, the November 2020 to June 2021 Forester only appears in one concerning the fuel pump (99 cars, R/2022/266).[1][2]

Which cars use the FB20 engine?

Subaru Forester V (2019–2024) and Subaru XV II (2018–2023).[2][3][4]

Are you buying a car with the FB20 engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. DVSA – base de llamadas a revisiónDVSA (Reino Unido) · Official body · consulted 9 October 2026
  2. Subaru ForesterWikipedia (en) · Other source · consulted 9 October 2026
  3. Subaru XVWikipedia (de) · Other source · consulted 9 October 2026 · in German
  4. Subaru ForesterWikipedia (de) · Other source · consulted 9 October 2026 · in German