2020–2025 Hyundai Sonata Battery Size (BCI Group and CCA)

Which Hyundai Sonata model years does this cover?

These battery specifications apply to every Hyundai Sonata built from 2020 through 2025 — the DN8 (8th generation), mid-size sedan. Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

What changed during the 2020–2025 Hyundai Sonata

• 2020Generation launch; 2.5L and 1.6T gas engines, plus Hybrid, at launch
• 2021N Line trim introduced with the 2.5T Smartstream engine; 1.6T dropped from most trims
• 2022N Line Night Edition appearance package added; panoramic sunroof newly available
• 2023SEL trim gains a larger touchscreen infotainment system with navigation; Highway Driving Assist added to the driver-assist suite
• 2024Facelift with revised front/rear styling and updated interior tech

What size battery does a 2020–2025 Hyundai Sonata take?

BCI group 48 (H6) AGM. Group size is a physical dimension and terminal-position standard, so a battery from a different group may not clamp down or may put the terminals on the wrong side.

Does the 2020–2025 Hyundai Sonata need an AGM battery?

Yes. This vehicle requires AGM, not flooded. A flooded battery in a start-stop system is cycled far harder than it is designed for and fails early.

Where is the battery on a 2020–2025 Hyundai Sonata?

Engine bay, driver side.

Does a 2020–2025 Hyundai Sonata need the battery registered after replacement?

Start-stop is standard across the DN8 lineup, requiring an AGM battery; Group 48 (H6) is the most commonly reported OEM-equivalent fit. Confirm against your VIN before ordering.