UK Reliability Directory

Subaru Outback Mk5 (BS)

Production Years: 2015 - 20203 Documented Faults

The BS feels more upmarket and carries more driver-assistance tech. It is a strong motorway companion, but the costly weak spots are still the CVT, front suspension and short-trip diesel use.

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Common Faults & Reliability

These are the most common documented problems for the Subaru Outback Mk5 (BS), sorted by their typical impact and frequency.

Lineartronic CVT Valve Body / Solenoid Failure

high severity

The BS Outback can develop internal valve body solenoid faults, causing jerky progress, warning lights and expensive dealer recommendations for full transmission replacement.

Est. repair cost:£800–£1,800

Front Control Arm Bushing Wear

medium severity

Heavy BS Outbacks chew through the front lower arm bushes, which can make the steering feel loose and lead to repeated tyre wear problems.

Est. repair cost:£250–£550

DPF and EGR Blockage

medium severity

Late diesel BS cars often respond badly to repeated short journeys, leading to blocked DPFs, EGR trouble and recurring limp-mode complaints.

Est. repair cost:£300–£1,500

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