2.0 Boxer petrol (EJ20 / FB20)
2008–2013 · petrol · 1994cc · 150hp
Engine codes: EJ20, FB20
Reliability, common problems and owner reviews for the Subaru Impreza / Forester 2.0 Boxer petrol (EJ20 / FB20). Check this before you buy used.
The 2.0 flat-four is the safer boxer choice — it does NOT share the EJ25's notorious head-gasket failures. Robust with regular oil changes and timing-belt/chain maintenance. Thirsty (AWD) and a bit gruff, but dependable.
Same engine, other cars
This is the same physical engine (FB20) sold under different names across brands. Reliability is broadly shared — cross-check these:
Known Issues
EJ20 is belt-driven (change on schedule); FB20 (newer) is chain. Regular oil changes are key to boxer longevity.
Fix / Workaround: Belt + water pump on schedule (EJ20); frequent oil changes.
Repair cost: €300–€600
Typically appears after: 100,000 km
Thirsty due to permanent AWD — not a fault.
Fix / Workaround: Budget for fuel.
0Mileage Thresholds
After 250,000 km: Dependable with oil/belt discipline.
Pre-Purchase Checklist
- ☐Belt history (EJ20)
- ☐Frequent oil changes
- ☐The safer boxer vs the 2.5
Frequently asked questions
Is the Subaru Impreza / Forester 2.0 Boxer petrol (EJ20 / FB20) reliable?
Reliable — The 2.0 flat-four is the safer boxer choice — it does NOT share the EJ25's notorious head-gasket failures. Robust with regular oil changes and timing-belt/chain maintenance. Thirsty (AWD) and a bit gruff, but dependable.
What are the common problems and reviews for the Subaru Impreza / Forester 2.0 Boxer petrol (EJ20 / FB20)?
The most commonly reported problems: Timing belt/chain + oil discipline, AWD fuel consumption.
Is a used Subaru Impreza / Forester 2.0 Boxer petrol (EJ20 / FB20) worth buying?
Minor issues only, easy to maintain, no design flaws. A safe used buy.