2026 Subaru WRX Battery Size
The 2026 Subaru WRX uses a BCI Group 35 battery, rated about 540-640 cold cranking amps (Flooded).
- Battery type (OEM)
- Flooded
- Cold cranking amps (CCA)
- 540-640
- Terminal position
- Standard-terminal layout
- Dimensions (L×W×H)
- 230×175×225 mm
- Location
- Under the hood (engine bay)
Same generation as the prior model year; fitment carries forward. Always confirm against your owner's manual or current battery label.
Where to buy a Group 35 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 35 batteries on Amazon540+ CCA, FloodedAs an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What size battery does a 2026 Subaru WRX take?
The 2026 Subaru WRX uses a BCI Group 35 battery, rated around 540-640 cold cranking amps.
Does the 2026 Subaru WRX need an AGM battery?
No - it comes with a flooded battery from the factory. You can usually upgrade to AGM in the same Group 35 size, but it isn't required.
How many cold cranking amps (CCA) does it need?
Aim for roughly 540-640 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 35
See all cars that take a Group 35 battery →Also check the wiper sizes for your 2026 Subaru WRX →