Checked battery group size
2021 Toyota GR Supra battery size
Battery size varies by configuration for the 2021 Toyota GR Supra. Select the row that matches your trim or battery position before ordering.
| Configuration | Group size | Type | CCA min |
|---|---|---|---|
| 2.0L L4 Turbocharged | Group 49 / H8 / LN5 | AGM listed by sources | Unverified |
| 3.0L L6 Turbocharged | Group 95R / H9 / LN6 | AGM listed by sources | 950 |
| L4/2.0L | Group 49 / H8 / LN5 | AGM listed by sources | 900 |
| L6/3.0L | Group 95R / H9 / LN6 | AGM listed by sources | 950 |
| 3.0L L6 | Group 95R / H9 / LN6 | AGM listed by sources | Unverified |
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.
- CCA baseline Unverified
- Current checked records do not list a CCA value. Match or exceed the rating on the current battery label or owner documentation.
- 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- Varies by engine / trim identifies the battery group, but current checked records for this page do not publish source-backed L x W x H dimensions.
- Battery type source No OEM source shown
- Current records list AGM battery type from catalog sources shown below. This page does not show an OEM source for the battery-type claim.
AGM battery required. Installing standard flooded battery may damage the electrical system.
2021 Toyota GR Supra 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 | Terminal layout | Sources |
|---|---|---|---|---|---|
| 2.0L L4 Turbocharged | Group 49 / H8 / LN5 Reference | AGM listed by sources | Unverified | Unverified | RockAuto |
| 3.0L L6 Turbocharged | Group 95R / H9 / LN6 Reference | AGM listed by sources | 950 | Unverified | RockAuto |
| L4/2.0L | Group 49 / H8 / LN5 Reference | AGM listed by sources | 900 | Unverified | Interstate Batteries |
| L6/3.0L | Group 95R / H9 / LN6 Reference | AGM listed by sources | 950 | Unverified | Interstate Batteries |
| 3.0L L6 | Group 95R / H9 / LN6 Reference | AGM listed by sources | Unverified | 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.
2021 Toyota GR Supra battery: fitment notes
Battery size varies by configuration. Select the matching engine, trim, or battery position before ordering.
AGM battery required. Check your owner's manual before purchasing.
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 2021 Toyota GR Supra, and confirm group size, battery type, and terminal position before placing your order.
2021 Toyota GR Supra battery checkout fitment check
Use these selectors only after reviewing the unresolved fitment checks above. Enter 2021 Toyota GR Supra and confirm Group Varies by engine / trim and the battery type shown above, terminal layout, and any reset requirement before finalizing your order.
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Toyota GR Supra battery size by year
Group Group 95R / H9 / LN6 is consistent across all 6 checked Toyota GR Supra years (2020–2025).
Use this table to open the checked battery page for another Toyota GR Supra 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, Battery type | 2026-07-06 |
| Interstate Batteries | Battery catalog | Group size, CCA, Battery type | 2026-07-06 |
| Bosch Auto Parts | Battery catalog | Group size, Battery type | 2026-07-06 |
2021 Toyota GR Supra battery — common questions
- What battery group size fits the 2021 Toyota GR Supra?
- Checked source records list Group Varies by engine / trim for the 2021 Toyota GR Supra. 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.
- Why does this page list AGM for the 2021 Toyota GR Supra?
- Current checked source records list AGM listed by sources for the 2021 Toyota GR Supra. Because the source table on this page does not show an OEM battery-type source, treat this as a source-listed catalog requirement, not an owner-manual claim. Do not substitute a different battery type unless your owner's manual, current battery label, or a service source supports it.
- 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.