Why won’t my Sierra 2500 HD battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead Sierra 2500 HD battery?

We recycle it! Nearly 100% of all lead-acid batteries are recyclable.

How much do DieHard batteries cost for your GMC Sierra 2500 HD?

Get affordable prices on GMC Sierra 2500 HD batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.

How long is a car battery good for?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

Why is there white, crusty buildup on my Sierra 2500 HD’s battery post?

If you notice white, crusty stuff around the battery terminals of your Sierra 2500 HD, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your Sierra 2500 HD’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

What do I do about corrosion on my Sierra 2500 HD car battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your Sierra 2500 HD owner’s manual for instructions on how to do so.

Where can I find a battery for my Sierra 2500 HD?

You can shop for Sierra 2500 HD batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.

Car Batteries for 2012 GMC Sierra 2500 HD

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GMC Sierra 2500 HD Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2012 GMC Sierra 2500 HD at Firestone Complete Auto Care.

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2012 GMC Sierra 2500 HD Battery Replacement & Size

Not sure what battery to get for your GMC Sierra 2500 HD? Check the chart to find the right car battery size and cold cranking amps for your Sierra 2500 HD.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	V8/6.0L	Replacement 24 months	Performance months	615
48H6	V8/6.0L	Replacement 36 months	Performance months	730
H6-AGM	V8/6.0L	Replacement 36 months	Performance months	760
48H6	V8/6.6L	Replacement 36 months	Performance months	730
H6-AGM	V8/6.6L	Replacement 36 months	Performance months	760

BATTERIES
V8/6.0L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
V8/6.0L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V8/6.0L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760
V8/6.6L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V8/6.6L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Buy the Right Battery for Your GMC Sierra 2500 HD

Sadly, your GMC Sierra 2500 HD won't last forever. Neither will its battery. The average car battery lasts three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your GMC Sierra 2500 HD stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or dim headlights can all signal that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With best-in-class tools we can tell you how much "life" is left in your battery. Drop in for a free battery check and, if needed, get your GMC Sierra 2500 HD a replacement battery. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand GMC service recommendations for Sierra 2500 HD battery CCAs and reserve capacity. Get help identifying the type and size of battery that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Find the Right DieHard Battery for Your Sierra 2500 HD

Your GMC Sierra 2500 HD deserves the best, which is why we exclusively carry the best. Your Sierra 2500 HD needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard Sierra 2500 HD batteries surpass expectations and house the latest technology to meet the expanding power demands of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Choose a DieHard battery for your GMC Sierra 2500 HD and drive with confidence knowing that your battery will perform when you need it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New GMC Sierra 2500 HD Battery

Got a new car battery installed in your 2012 GMC Sierra 2500 HD? Good thinking! You can give your new battery a head start with proper care and attention. Give your new battery a hand by limiting short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked Sierra 2500 HD Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a Sierra 2500 HD-specific battery question, pay us a visit. Our technicians are happy to help.

Why won’t my Sierra 2500 HD battery hold a charge? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead Sierra 2500 HD battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much do DieHard batteries cost for your GMC Sierra 2500 HD? Get affordable prices on GMC Sierra 2500 HD batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
How long is a car battery good for? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
Why is there white, crusty buildup on my Sierra 2500 HD’s battery post? If you notice white, crusty stuff around the battery terminals of your Sierra 2500 HD, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your Sierra 2500 HD’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
What do I do about corrosion on my Sierra 2500 HD car battery? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your Sierra 2500 HD owner’s manual for instructions on how to do so.
Where can I find a battery for my Sierra 2500 HD? You can shop for Sierra 2500 HD batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.