Subaru Outback Mk6 (BT)
The BT is a large, plush and petrol-only Outback for the UK market. It avoids the old diesel pitfalls, but early cars are heavily software-led and can still produce expensive warning-light faults.
Check a specific car?
Got a registration for a Outback Mk6 (BT)? Get an instant MOT and history report.
Common Faults & Reliability
These are the most common documented problems for the Subaru Outback Mk6 (BT), sorted by their typical impact and frequency.
Thermo Control Valve Failure
medium severityA sticking thermo control valve can trigger multiple dashboard warning lights and poor heater output even though the engine otherwise drives normally. Lamps and electrical faults are the most common MOT failure area on the Outback.
Infotainment Freezing and Screen Glitches
medium severityEarly BT cars can suffer laggy or freezing infotainment, which is particularly frustrating because so many climate and vehicle functions are routed through the main display. Dashboard warning lights and electrical faults dominate the Outback's MOT failure record.
12-Volt Battery Drain and Electrical Gremlins
medium severityOwners report batteries going flat or dying well before the usual four-to-five-year mark, sometimes linked to parasitic drain from keyless entry or infotainment modules staying awake. Battery condition and electrical faults are recorded MOT checks on this model.
Browse by Production Year
Select a specific year to view detailed registration directory lookup and annual MOT history reports for the Subaru Outback Mk6 (BT).