2024 GMC Acadia Battery Size & Group

Quick answer

• BCI Group Size: H6/48
• CCA Rating: 760 CCA
• Reserve Capacity: 120 minutes
• AGM vs. Flooded: AGM (Absorbed Glass Mat) required due to advanced electrical systems and charging profiles.
• Terminal Layout: Top post, typically DIN (European) type posts.
• Physical Dimensions: Approximately 10.9" (L) x 6.9" (W) x 6.9" (H).
• Dual-Battery Setup: Not applicable; the 2024 GMC Acadia does not use a dual-battery setup.

Replacement battery options

For your 2024 GMC Acadia, finding a high-quality AGM battery is crucial for optimal performance and longevity. While specific part numbers can vary by retailer and may change, here are some popular and reliable options from top brands:

• Interstate: Look for their MTX-48/H6 AGM battery. (Verify with retailer for the most current part number).
• Optima: The Optima YellowTop H6/Group 48 is a strong contender, known for its deep cycle and starting power capabilities.
• DieHard: DieHard Platinum AGM Group H6/48 is a common and reliable choice for modern vehicles requiring AGM technology.
• Odyssey: The Odyssey Extreme Series Group 48/H6 (model 48-770) is an excellent premium option, offering exceptional power and lifespan.
• ACDelco: As the original equipment supplier for GM, an ACDelco Gold or Silver AGM battery (often labeled as Group 48 or H6) is a direct fit.

AGM vs. flooded — which does this vehicle need?

The 2024 GMC Acadia requires an AGM (Absorbed Glass Mat) battery. This is not merely a recommendation but a necessity due to the vehicle's sophisticated electrical architecture, including start-stop technology, numerous electronic control units (ECUs), and advanced sensor systems. AGM batteries are designed to handle the higher electrical demands and unique charging cycles of these modern vehicles. They offer superior deep cycling capabilities, faster recharging, and better vibration resistance compared to traditional flooded lead-acid batteries. Using a flooded battery in an Acadia designed for AGM can lead to premature battery failure, electrical system malfunctions, and potentially diagnostic trouble codes.

Post-installation relearn / reset procedure

After replacing the battery in your 2024 GMC Acadia, it's important to perform a few simple steps to ensure all systems reset correctly. This procedure helps the vehicle's computer (BCM - Body Control Module) recognize the new battery and optimize charging.

1. Disconnect the old battery: Always disconnect the negative (-) terminal first, then the positive (+) terminal.
2. Install the new battery: Connect the positive (+) terminal first, then the negative (-) terminal. Ensure all connections are clean and secure.
3. Idle Relearn: Start the engine and let it run at idle for approximately 5-10 minutes. Do not touch the accelerator. This allows the engine control module to re-learn idle parameters.
4. Drive Cycle: Drive the vehicle normally for a few miles, including some city and highway driving. This helps various systems, such as the transmission, re-adapt. You might notice slightly different shift points or engine behavior initially, which should smooth out over time.
5. Window and Sunroof (if applicable): Some vehicles may require a one-touch window and sunroof reset. To do this, fully open the window/sunroof, hold the