Subaru Legacy 2.5i BN — Reliability

BN Sedan Mid 2020–2024 1 engine

Reliability Summary

Engine FB25 — 82/100 BUY
Known Issues 3

Engine in this model

BUY 82

FB25

2.5L Boxer I4

Chain-driven 2.5 boxer in the Forester, Outback and Legacy - port injection to 2018, direct injectio...

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Known Issues Across All Engines

Issue Engine Severity Onset
Excessive oil consumption — piston rings (early production, class action) FB25 high —
Overheating sensitivity — narrow cylinder spacing FB25 moderate —
PCV valve breaking apart inside the engine (recall, 2019) FB25 moderate —