Reliability Guide
Common Subaru Problems
Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.
Select a Subaru Model
Subaru Outback Mk6 (BT)
2021 – 2023
2 documented issues
Subaru Forester Mk5 (SK)
2018 – 2023
2 documented issues
Subaru Impreza Mk5 (GT/GK)
2017 – 2023
2 documented issues
Subaru Outback Mk5 (BS)
2015 – 2020
3 documented issues 1 severe
Subaru Forester Mk4 (SJ)
2013 – 2018
3 documented issues 2 severe
Subaru BRZ
2012 – 2023
4 documented issues 1 severe
Subaru XV / Crosstrek
2012 – 2023
4 documented issues 1 severe
Subaru Impreza Mk4 (GJ/GP)
2012 – 2016
3 documented issues 1 severe
Subaru Outback Mk4 (BR)
2009 – 2014
3 documented issues 1 severe
Subaru Forester Mk3 (SH)
2008 – 2013
3 documented issues 1 severe
Subaru Impreza Mk3 (GE/GH/GR)
2007 – 2011
3 documented issues 1 severe
Subaru Outback Mk3 (BP)
2003 – 2009
2 documented issues 2 severe
Subaru Forester Mk2 (SG)
2002 – 2008
2 documented issues 1 severe
Subaru Impreza WRX / STI Mk2 (GD/GG)
2001 – 2007
3 documented issues 3 severe
Subaru Impreza Mk2 (GD/GG)
2000 – 2007
3 documented issues 1 severe
Subaru Outback Mk2 (BH)
1999 – 2003
2 documented issues 1 severe
Subaru Forester Mk1 (SF)
1997 – 2002
2 documented issues 1 severe
Subaru Impreza Mk1 (GC/GF)
1992 – 2000
3 documented issues 3 severe
Brand-wide Subaru Problem Patterns
Boxer Diesel engines (2008–2015) are high-risk for crankshaft snapping and DPF issues.
Head gasket failure remains a major watch-out on older 2.5-litre naturally aspirated petrol engines (EJ25).
Lineartronic CVT transmissions can develop solenoid failures, leading to "dashboard Christmas trees" and jerky drive.
Excessive oil consumption is common on FB-series petrol engines, particularly early 2.0 and 2.5 units.
Parasitic battery drain (DCM/Starlink issues) can leave newer models flat after just a few days of sitting.
Looking to check a used Subaru?
Run a full registration check to inspect MOT history, mileage anomalies, write-off categories, and finance.
Check a Subaru Registration