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What size battery does a Subaru take?

The size of the battery required for a Subaru vehicle can vary depending on the specific model and year. However, most Subaru vehicles typically use a Group 35 or Group 51 battery.


Subaru Battery Size Specifications


Subaru vehicles are known for their reliable and durable performance, and the battery is an essential component that helps power the vehicle's electrical systems. The battery size required for a Subaru can depend on factors such as the engine size, the vehicle's age, and any additional electrical accessories installed.



  • Group 35 Battery: Many Subaru models, including the Impreza, Outback, and Forester, use a Group 35 battery. This battery typically has a capacity of 550-650 cold cranking amps (CCA) and a reserve capacity of 80-100 minutes.

  • Group 51 Battery: Larger Subaru models, such as the Ascent and some Outback variants, may require a Group 51 battery. This battery typically has a capacity of 650-800 CCA and a reserve capacity of 90-120 minutes.


It's important to note that the specific battery size required for your Subaru can vary, so it's always best to consult your owner's manual or a Subaru dealer to ensure you get the correct replacement battery for your vehicle.


Replacing the Subaru Battery


When it's time to replace the battery in your Subaru, it's essential to follow the manufacturer's recommendations and use a battery that meets the specific requirements for your model. Improper battery installation or the use of an incorrect battery size can lead to electrical issues or even damage to your vehicle's electrical system.



  • Consult your owner's manual or a Subaru dealer to determine the correct battery size for your vehicle.

  • Ensure the new battery has the same or higher CCA and reserve capacity as the original battery.

  • Follow the proper battery installation procedures, including disconnecting the negative (-) terminal first and reconnecting it last.

  • Consider having a Subaru dealer or a qualified mechanic perform the battery replacement to ensure it's done correctly.


By using the correct battery size and following proper installation procedures, you can help ensure your Subaru continues to perform at its best and maintain the reliability that the brand is known for.

Will Subaru replace my battery for free?


All Subaru Original Equipment Manufacturer (OEM) batteries are covered for three years or 36,000 miles, whichever comes first.



What is the correct size of my car battery?


Check the Owner's Manual: The battery section of your car's manual will list the recommended BCI Group Size and minimum CCA. Look at the Existing Battery: The current battery's Group Size is often labeled on the top label or front of the battery. Be sure to verify that it meets your vehicle's requirements.



How much is a new battery for a Subaru?


How much to replace the battery in my Subaru? Depending on power, size, and quality, prices for a replacement car battery range from about $45 to $250.



Do subarus require special batteries?


Also, when it's time for a replacement, you should choose a Genuine Subaru Battery. It is designed to fit and power your specific model. It has an impressive 30-month free replacement warranty, including labor and free towing to the nearest Subaru retailer if required within that period due to a covered battery defect.



What type of battery does a Subaru Outback use?


flooded lead-acid battery
Your Subaru Outback will generally be equipped with a flooded lead-acid battery. However, this doesn't mean that you have to stick with a flooded battery. Batteries Plus carries a large selection of flooded, AGM and Premium AGM batteries that are a perfect fit for your car.



How much should I pay for a battery replacement?


How much does it cost to replace a battery in a car? Based on the make and model of your vehicle, you can expect to pay between $100 to $160 for a standard flooded acid car battery and around $200 to $325 for a premium AGM type. Does Batteries Plus install batteries for free?


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.