The 1991 Honda Accord uses a standard 12-volt automotive battery. The exact group size can vary by engine and market, but common sizes for this generation include Group 46 (H6) and Group 35. To be certain, check the battery label or the owner's manual, or confirm with a parts professional using your VIN.
What this means for you
Knowing the correct battery size ensures you buy a replacement that fits physically in the tray, matches the terminal layout, and delivers the right cold-cranking amps (CCA) for reliable starts in your climate.
Common group sizes for the 1991 Accord
These are the sizes most often found in 1991 Accords sold in North American markets. The exact group size on your car may vary by trim, engine, and regional specifications.
- Group 46 (H6) – A widely used size for mid-size Hondas from this era; offers a balance of capacity and compatibility with typical 12-volt systems.
- Group 35 – A slightly smaller option that fits many older Hondas and other mid-size vehicles; compatible with standard cable and post configurations.
- Group 24F – A larger-capacity option used in some engines and regional variants; provides higher CCA for colder climates but requires a compatible tray and hold-down.
Consult your manual or a parts professional to confirm the exact group size for your specific vehicle, as mismatched dimensions or terminal arrangements can cause fitment problems.
How to determine the exact size for your car
To identify the correct group size for your exact vehicle, follow these steps:
- Check the owner’s manual or the battery label itself for the stated group size and CCA rating.
- Measure the battery tray space (rough dimensions) and compare to standard group sizes to ensure a proper fit.
- Verify the post terminals (positive/negative) location and whether you need a left- or right-side positive terminal configuration.
- Consult with a parts professional or use your VIN at an auto parts store to confirm the recommended battery group size for your exact car.
With the correct group size confirmed, you can purchase a replacement that fits the car’s electrical system and sits securely in the tray with the proper hold-down.
Additional considerations for early-'90s Accords
Some markets or engine options used slightly different setups; in cold climates you might see higher CCA ratings. If you’re replacing an original battery, try to match the CCA and reserve capacity (RC) as closely as possible to maintain reliable starting performance.
Summary
The 1991 Honda Accord generally uses a 12-volt automotive battery, with common group sizes including Group 46 (H6) and Group 35 depending on engine and market. Confirm the exact size by checking the battery label, the owner's manual, or with a parts professional using your VIN to ensure proper fit and performance.


