Kia Optima battery size by year
Compare Kia Optima battery group sizes by model year. Select a year to open the checked record with source notes.
| Year | Group size | Battery type | Source coverage | Page |
|---|---|---|---|---|
| 2020 | Group 48 / H6 / LN3 | Unverified | Reference | Open record → |
| 2019 | Group 48 / H6 / LN3 | Unverified | Reference | Open record → |
| 2018 | Varies by engine / trim | Unverified | Reference | Open record → |
| 2017 | Varies by engine / trim | Unverified | Reference | Open record → |
| 2016 | Varies by engine / trim | Unverified | Reference | Open record → |
Kia Optima battery size - frequently asked questions
- What battery size fits the Kia Optima?
- Battery group size can change across Kia Optima years. Select the exact year above to see the checked source-backed record.
- Can I buy only by group size?
- No. Group size is the starting point. Confirm battery type, terminal position, and retailer fitment before checkout.
Look up a specific Kia Optima year
Select a model year to open the exact checked battery size record before ordering.