2021 Subaru Outback Battery Size
The 2021 Subaru Outback uses a BCI Group 47 battery, rated about 600-680 cold cranking amps (EFB).
- Battery type (OEM)
- EFB
- Cold cranking amps (CCA)
- 600-680
- Terminal position
- Standard-terminal layout
- Dimensions (L×W×H)
- 246×175×190 mm
- Location
- Under the hood (engine bay)
Gen6 SGP; OEM EFB H5 (47). Always confirm against your owner's manual or current battery label.
Where to buy a Group 47 battery
A car battery is heavy and expensive to ship, so buying in person (Walmart, Costco, or a local auto-parts store) often beats online once you count free installation and the core-charge refund on your old battery. To compare prices and reviews online:
Search Group 47 batteries on Amazon600+ CCA, EFBAs an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What size battery does a 2021 Subaru Outback take?
The 2021 Subaru Outback uses a BCI Group 47 battery, rated around 600-680 cold cranking amps.
Does the 2021 Subaru Outback need an AGM battery?
No - it comes with a efb battery from the factory. You can usually upgrade to AGM in the same Group 47 size, but it isn't required.
How many cold cranking amps (CCA) does it need?
Aim for roughly 600-680 CCA. Choosing at or above the OEM rating is fine; going below can cause hard starts in cold weather.
Where is the battery located?
Under the hood (engine bay). Standard-terminal layout.
Other vehicles that use Group 47
See all cars that take a Group 47 battery →Also check the wiper sizes for your 2021 Subaru Outback →