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What size battery goes in a 2018 Subaru Outback?

The standard battery size for a 2018 Subaru Outback is a Group 35 or 35R battery. This battery has a capacity of 550 cold cranking amps (CCA) and a reserve capacity of 90 minutes.


Detailed Information on the 2018 Subaru Outback Battery


The 2018 Subaru Outback is a popular midsize crossover SUV known for its all-wheel-drive capability and rugged design. When it comes to the vehicle's electrical system, the factory-installed battery is a crucial component that powers the various electrical systems and accessories.


According to the information gathered from various automotive resources, the standard battery size for a 2018 Subaru Outback is a Group 35 or 35R battery. This battery type is a common choice for many midsize and full-size vehicles, as it provides a good balance of power and size.


The key specifications of the 2018 Subaru Outback's battery are:



  • Battery Group Size: 35 or 35R

  • Cold Cranking Amps (CCA): 550

  • Reserve Capacity: 90 minutes


The cold cranking amps (CCA) rating is a measure of the battery's ability to start the vehicle in cold weather, while the reserve capacity indicates how long the battery can power the vehicle's electrical systems without the engine running.


It's important to note that the battery size and specifications may vary slightly depending on the specific trim level and options of the 2018 Subaru Outback. Owners should always refer to their vehicle's owner's manual or consult with a qualified automotive technician to ensure they are using the correct replacement battery.

How long should a battery last in a 2018 Subaru Outback?


between 3-5 years
2018 Subaru Outback batteries frequently last between 3-5 years, but this is variable depending on the type of battery, driving habits, weather conditions, and more. You can prolong the life of your Outback battery by: Keeping your car stored indoors away from extreme swings in temperature or climate.



How to reset a Subaru after a battery change?


To reset your car's computer, you should disconnect the battery and allow time for the residual energy in the electrical circuits to dissipate completely. Typically, this process can take anywhere from 15 minutes to an hour.



How do I know what size battery I need?


Your vehicle's owner's manual typically provides the battery group size. If that information isn't listed there, ask your local dealership's service department or a parts store.



How much is a new car battery for a Subaru Outback?


Your Subaru Outback will be happy to know that the search for the right Batteries you've been looking for is over! Advance Auto Parts has 12 different Batteries for your vehicle, ready for shipping or in-store pick up. The best part is, our Subaru Outback Batteries start from as little as $89.99.



Will Subaru replace my battery for free?


All Subaru batteries are automatically covered for an initial three years or 36,000 miles. If your vehicle is part of the settlement class and you've suffered from a dead battery in the last 6 months you may be entitled to free battery diagnostics and may qualify for an extended warranty.



What size battery for 2018 Subaru Outback?


DieHard Silver – Battery: 26 Group Size, 525 CCA, 655 CA, 60 Minute Reserve Capacity, For Lower Power Demands (Part No. 26-3)



What size battery does a Subaru take?


Your Subaru Forester, regardless of the model year, will take a group 35 battery. And while you can use a traditional flooded battery, it's recommended that your battery replacement be an AGM battery with a minimum of 550 cold cranking amps, or CCA.



What type of battery is in a 2018 Subaru Outback?


OPTIMA REDTOP AGM Battery BCI Group Size 25 720 CCA 25
Red top.



Does a Subaru Outback need a special 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.



What is the correct size of my car battery?


You can typically find these sizing numbers printed somewhere on your car battery or in the vehicle manual. In addition, the batteries are grouped into sizes based on their length, width and height in millimetres.


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.