2021 Nissan Frontier Battery Size & Group

Quick Answer

• BCI Group Size: 24F
• CCA Rating: 710-750 CCA (minimum)
• Reserve Capacity: 120-140 minutes
• AGM vs Flooded: Flooded is standard, AGM is an upgrade.
• Terminal Layout: Top post, Positive on Right (when viewed from front with terminals closest to you).
• Physical Dimensions: Approximately 10.25" (L) x 6.8125" (W) x 9" (H)
• Dual-Battery Setup: Not applicable (gasoline engine).

Replacement Battery Options

When it's time to replace the battery in your 2021 Nissan Frontier, you have several excellent options from reputable brands. Always double-check the BCI Group Size 24F and ensure the CCA rating meets or exceeds the factory specifications.

• Interstate: MT-24F
• Optima: YellowTop D34/78 or RedTop 34/78 (Note: Group 34/78 is a common alternative that fits, though the posts might be slightly more inward. Verify fitment before purchase.)
• DieHard: Platinum AGM Group 24F or Gold Group 24F
• Odyssey: 24F-750
• ACDelco: 24FAGM or 24FS

AGM vs Flooded — Which Does This Vehicle Need?

The 2021 Nissan Frontier from the factory typically comes with a standard flooded lead-acid battery. While a flooded battery is perfectly adequate and will provide reliable service, an Absorbed Glass Mat (AGM) battery is often considered a worthwhile upgrade.

Flooded Batteries: These are the traditional, more affordable option. They contain liquid electrolyte and may require occasional maintenance (checking water levels in some designs, though many modern ones are "maintenance-free"). They are robust for everyday use.

AGM Batteries: These batteries use glass mat separators that absorb the electrolyte, making them spill-proof and maintenance-free. AGM batteries offer several advantages:

• Improved Durability: More resistant to vibration and impacts.
• Longer Lifespan: Often last longer than flooded batteries, especially in demanding conditions.
• Better Performance: Deliver more consistent power, particularly in extreme temperatures, and often have higher reserve capacity.
• Faster Recharging: Can accept a charge more quickly.

While your Frontier needs a Group 24F battery, whether it