Battery drain / infotainment glitches.
Inspect · Check for parasitic drain and test the screen.

What the known faults on this Subaru Legacy typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
The single priciest documented job on the 2010–2019 Subaru Legacy is infotainment repair or software fix at £120–£1,200. Few cars need every repair listed here · treat £730–£3,700 as the full exposure if one arrived with all of them.
Battery drain / infotainment glitches.
Inspect · Check for parasitic drain and test the screen.
Front wheel bearing wear.
Inspect · Listen for a hum that varies with steering.
2.5L oil consumption (piston-ring related on some years).
Inspect · Check oil level and any ring-related campaign/warranty history.
CVT judder on later cars.
Inspect · Feel for shudder on light throttle.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.