Checked battery group size
2018 Hyundai Elantra GT battery size
Battery size varies by configuration for the 2018 Hyundai Elantra GT. Select the row that matches your trim or battery position before ordering.
| Configuration | Group size | Type | CCA min |
|---|---|---|---|
| 1.6L L4 Turbocharged | Group 47 / H5 / LN2 | AGM listed by sources | 680 |
| L4/1.6L | Group 47 / H5 / LN2 | AGM listed by sources | 550 |
| L4/2.0L | Group 48 / H6 / LN3 | AGM listed by sources | 640 |
| 1.6L L4 | Group 47 / H5 / LN2 | AGM listed by sources | 600 |
Before you buy or install
These items are not confirmed by the current checked records for this page.
- Terminal layout Unverified
- Current checked records do not confirm positive-post side or terminal layout. Match the current battery label and cable reach before checkout.
- Battery registration / reset Unverified
- Checked records for this page do not confirm whether this vehicle needs a battery registration, BMS reset, or scan-tool step after replacement.
- OEM CCA baseline Not confirmed
- Current records list 680 CCA from RockAuto; this page does not have an OEM CCA baseline.
- Physical dimensions Not in record
- Varies by engine / trim identifies the battery group, but current checked records for this page do not publish source-backed L x W x H dimensions.
2018 Hyundai Elantra GT battery specifications
Use the row that matches your engine, trim, or battery position. Fields without source-backed values stay marked Unverified.
| Configuration | Group size | Type | CCA min | RC (min) | Terminal layout | Sources |
|---|---|---|---|---|---|---|
| 1.6L L4 Turbocharged | Group 47 / H5 / LN2 Reference | AGM listed by sources | 680 | Unverified | Unverified | RockAuto |
| L4/1.6L | Group 47 / H5 / LN2 Reference | AGM listed by sources | 550 | Unverified | Unverified | Interstate Batteries |
| L4/2.0L | Group 48 / H6 / LN3 Reference | AGM listed by sources | 640 | Unverified | Unverified | Interstate Batteries |
| 1.6L L4 | Group 47 / H5 / LN2 Reference | AGM listed by sources | 600 | 85 | Unverified | Bosch Auto Parts |
Installation notes
Unverified Checked records for this page do not confirm whether this vehicle needs a battery registration, BMS reset, or scan-tool step after replacement.
2018 Hyundai Elantra GT battery: fitment notes
Battery size varies by configuration. Select the matching engine, trim, or battery position before ordering.
CCA rating should meet or exceed listed specification for your climate.
Terminal position matters for cable reach — confirm positive terminal side before ordering.
Open the retailer's vehicle selector, choose 2018 Hyundai Elantra GT, and confirm group size, battery type, and terminal position before placing your order.
2018 Hyundai Elantra GT battery checkout fitment check
Use these selectors only after reviewing the unresolved fitment checks above. Enter 2018 Hyundai Elantra GT and confirm Group Varies by engine / trim, terminal layout, and any reset requirement before finalizing your order.
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Hyundai Elantra GT battery size by year
Battery group size changed across Hyundai Elantra GT model years. Select the exact year to see the correct checked record before ordering.
Use this table to open the checked battery page for another Hyundai Elantra GT model year.
Data sources checked
3 supporting catalog source records are shown below. Battery group size and type facts on this page trace to checked source records. This table does not imply OEM confirmation unless an OEM source is shown. Fields without source-backed values remain Unverified. Other checked records that did not support a displayed field are kept out of this public table.
| Source | Role | Supports | Checked |
|---|---|---|---|
| RockAuto | Aftermarket catalog | Group size, CCA, Battery type | 2026-07-06 |
| Interstate Batteries | Battery catalog | Group size, CCA, Battery type | 2026-07-06 |
| Bosch Auto Parts | Battery catalog | Group size, CCA, Reserve capacity, Battery type | 2026-07-06 |
2018 Hyundai Elantra GT battery — common questions
- What battery group size fits the 2018 Hyundai Elantra GT?
- Checked source records list Group Varies by engine / trim for the 2018 Hyundai Elantra GT. BCI group sizes define the battery's physical dimensions and terminal positions. Do not infer terminal layout from the group number alone; match the current battery label or terminal layout before checkout.
- What CCA rating should I look for?
- Cold Cranking Amps (CCA) measures the battery's ability to start the engine at 0 °F. The CCA rating for this vehicle is not yet in the checked source records. Check the sticker on the current battery or your owner's manual for the baseline rating, then meet or exceed that number — especially in cold climates.
- Why does terminal position matter for battery replacement?
- Terminal position (positive on the left or right when facing the battery) determines whether the factory cable length reaches the correct post and whether the hold-down bracket fits. Confirmed terminal data is not yet in checked records for this vehicle. Verify the layout in the retailer's vehicle selector or check your current battery label before ordering.
Look up another vehicle battery
Select year, make, and model to open the checked battery size record.