Subaru Outback common problems and reliability issues
Honest rundown of the most common Subaru Outback faults, what to watch for, and how to keep one running well.

The Subaru Outback is a popular choice among UK drivers for its ruggedness and versatility. However, like any vehicle, it has its share of common problems. Issues can arise in various systems, including the engine, transmission, suspension, and electrical components. Knowing these potential faults can help you decide with confidence when considering this model.
Engine Issues
One of the most frequently reported problems with the Subaru Outback involves its engine. Owners have noted issues such as excessive oil consumption and head gasket failures. These problems can lead to significant engine damage if not addressed promptly.
Excessive oil consumption is often linked to the engine’s design, particularly in earlier models. Regular oil checks are essential to prevent running low, which can cause severe damage. Head gasket failures can lead to coolant leaks and overheating, necessitating costly repairs. Keeping an eye on engine temperature and coolant levels can help mitigate these risks.
Transmission Problems
Transmission issues are another common concern for Subaru Outback owners. Some drivers have reported problems with the automatic transmission, including rough shifting and slipping gears. These issues can affect the vehicle’s overall performance and driving experience.
Rough shifting can often be attributed to low transmission fluid levels or worn-out components. Regular maintenance, including fluid changes, can help prevent these issues. Slipping gears may indicate a more serious problem, such as a failing transmission, which can be costly to repair. It is advisable to seek professional assistance if these symptoms arise.
Suspension and Steering Concerns
The suspension and steering systems of the Subaru Outback are crucial for a smooth ride, but they are not without their faults. Common issues include premature wear of suspension components and problems with the power steering system. These can lead to a less comfortable driving experience and affect vehicle handling.
Worn suspension components, such as bushings and struts, can result in a bumpy ride and decreased stability. Regular inspections can help identify these issues early. Power steering problems, such as fluid leaks or a failing pump, can make steering difficult and should be addressed immediately to ensure safe driving.
Electrical System Faults
Electrical problems can also plague the Subaru Outback, with issues ranging from faulty sensors to battery failures. These electrical faults can lead to various symptoms, including warning lights on the dashboard and malfunctioning accessories.
Faulty sensors, such as those related to the engine or transmission, can trigger warning lights and affect performance. Regular diagnostics can help identify these issues before they escalate. Battery failures can also occur, particularly in older models, and may require replacement. Keeping the battery terminals clean and ensuring a good connection can help prolong battery life.
Brake System Issues
The brake system is vital for safety, and some Subaru Outback owners have reported issues such as premature brake wear and problems with the anti-lock braking system (ABS). These issues can compromise vehicle safety and should be addressed without delay.
Premature brake wear can result from various factors, including driving habits and the quality of brake components. Regular inspections and timely replacements of brake pads and discs are essential for maintaining braking performance. ABS problems may manifest as warning lights or unusual braking behaviour, indicating the need for professional assessment.
Fuel System Problems
Fuel system issues can also affect the Subaru Outback, with common complaints including fuel pump failures and clogged fuel filters. These problems can lead to poor engine performance and reduced fuel efficiency.
A failing fuel pump can cause starting difficulties or engine stalling, making it crucial to address any symptoms promptly. Clogged fuel filters can restrict fuel flow, leading to decreased performance. Regular maintenance, including fuel filter replacements, can help ensure the fuel system operates smoothly.
By being aware of these common problems associated with the Subaru Outback, potential buyers can make informed decisions. Regular maintenance and timely repairs can help mitigate many of these issues, ensuring a reliable and enjoyable driving experience.
Frequently asked questions
What are the most common issues with the Subaru Outback?
Common issues with the Subaru Outback include oil leaks, head gasket failures, and problems with the CVT transmission. It's important to check the vehicle's service history for any previous repairs.
How reliable is the Subaru Outback?
The Subaru Outback is generally considered reliable, but like any vehicle, it can experience issues over time. Regular maintenance and timely repairs can help maintain its reliability.
Are there any known electrical problems in the Subaru Outback?
Some Subaru Outback owners have reported electrical issues, such as problems with the battery and alternator. It's advisable to have the electrical system checked if you notice any warning lights or starting difficulties.
What should I check before buying a used Subaru Outback?
Before buying a used Subaru Outback, check for service records, inspect for oil leaks, and test the CVT transmission. A thorough vehicle history check can also reveal any past accidents or major repairs.
Is the Subaru Outback prone to rust?
The Subaru Outback can be prone to rust, particularly in older models or those that have been driven in harsh conditions. Inspect the undercarriage and wheel arches for any signs of corrosion.
How can I prevent common problems in my Subaru Outback?
Regular maintenance, including oil changes and inspections, can help prevent common problems in your Subaru Outback. Addressing any warning signs early can also prevent more serious issues down the line.
What are the signs of a failing head gasket in a Subaru Outback?
Signs of a failing head gasket include overheating, white smoke from the exhaust, and milky oil. If you notice any of these symptoms, it is important to have the vehicle checked by a professional.
Got a Subaru Outback reg?
Free profile in seconds. Full report £4.99.
Free profile. No signup. Powered by DVLA and DVSA.
Sources
DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.