The vehicle uses a standard 12-volt automotive battery, with the exact group size depending on your specific model and options. Check the battery label or the owner's manual to confirm the correct size and cold-cranking amps (CCA) for your car.
Battery basics for the 2016 Enclave
The 2016 Buick Enclave runs on a single 12-volt lead-acid battery designed to crank the 3.6-liter V6 and power on-board electronics. In most configurations, a conventional maintenance-free (flooded) 12V battery is standard. An AGM (absorbed glass mat) option is sometimes associated with higher-end or start-stop-equipped GM configurations, but it is not commonly required for the Enclave in this model year. Always verify the exact specification from the battery label or the official GM service data for your vehicle.
Battery types to consider
The following options cover what you’re likely to encounter when replacing a 2016 Enclave battery. They reflect typical OEM and aftermarket choices for this vehicle class.
- Conventional flooded lead-acid, maintenance-free 12V batteries — the most common choice for 2016 Enclaves.
- AGM (absorbed glass mat) batteries — may be used if your vehicle has a factory start-stop option or if you choose an AGM upgrade; verify compatibility with your trim.
- Consider a battery with a CCA rating suitable for your climate — higher CCA helps in very cold conditions, while standard ratings suffice in milder climates.
Most Enclave owners will use a conventional 12V maintenance-free battery, with an AGM option reserved for certain configurations or upgrades. Always confirm the appropriate type by checking the OEM spec for your VIN.
How to determine the exact group size for your Enclave
Use these steps to confirm the correct battery group size and rating for your car before purchasing a replacement.
- Inspect the label on the currently installed battery for the “Group Size” code (also sometimes labeled as Group, GS, or similar) and the CCA rating.
- Consult the owner’s manual or the Technical Information/Service Data for your exact vehicle, which lists the recommended group size and rating.
- If the manual isn’t available, use your Vehicle Identification Number (VIN) at a Buick dealer’s parts department or GM service site to pull the OEM specification.
- When shopping at an auto parts store, provide the year, make, model, and engine size (and mention if your car has start-stop) to verify the correct group size and CCA rating.
Following these steps will help you select a battery that matches the 2016 Enclave’s electrical requirements and climate needs.
Replacing the battery: quick guide
Replacing a Buick Enclave battery is straightforward but requires care to avoid injury or electrical issues. The steps below are for a typical engine bay battery replacement; always follow your manual and local safety guidelines.
- Park on a level surface, engine off, and set the parking brake. Wear eye protection and gloves.
- Disconnect the negative (-) terminal first, then the positive (+) terminal to prevent short circuits.
- Remove the battery hold-down clamp or tray securing the battery in place.
- Carefully lift the old battery out of the tray and inspect the tray for corrosion or damage; clean as needed.
- Place the new battery into the tray, reconnect the positive terminal first, then the negative terminal, and tighten to the specified torque.
- Start the vehicle to verify proper operation and check that electrical systems (radio, clocks, lights) are functioning correctly.
If your vehicle has an anti-theft radio system or other memory-dependent electronics, you may need to re-enter codes or reset certain settings after reconnecting the battery. When in doubt, consult a dealership or certified technician.
Summary
The 2016 Buick Enclave uses a standard 12-volt automotive battery. The exact group size and whether an AGM option is needed depend on trim and options, so always verify with the battery label, the owner's manual, or a dealer service source using your VIN. For most owners, a conventional maintenance-free 12V battery will be sufficient, and replacement steps are simple but should be performed with caution to protect yourself and the vehicle’s electrical systems. Confirm the correct specifications before purchasing a replacement to ensure reliable starts and power for all systems.
What type of battery does the Buick Enclave use?
EverStart Plus Lead Acid Automotive Battery, Group Size H6 / LN3 / 48 12 Volt, minimum 615 CCA.
What battery does a 2016 Buick Enclave use?
DieHard Platinum AGM – Battery : H6 Group Size, 760 CCA, 950 CA, 120 Minute Reserve Capacity (Part No. H6-AGM)
What battery goes in a 2016 Buick Encore?
DieHard Gold – Battery: H5 Group Size, 650 CCA, 810 CA, 100 Minute Reserve Capacity (Part No. 47H5)
What size is a 2016 battery?
The "2016" part shows its size: 20mm in diameter and 1.6mm thick. Because of their small size and long shelf life, CR 2016 batteries are often used in devices that need little power but last a long time. They are very popular because of their stable 3V output and long-lasting performance.


