Why doesn’t my Sierra 1500 battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your nearest Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead Sierra 1500 battery?

We’ll recycle your car battery for you!

How much do DieHard batteries cost for your GMC Sierra 1500?

GMC Sierra 1500 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long is a car battery good for?

The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.

What is the white, crusty stuff around my Sierra 1500’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Sierra 1500 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

What do I do about corrosion on my Sierra 1500 car battery?

Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.

Where can I find a battery for my Sierra 1500?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Sierra 1500 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.

2021 GMC Sierra 1500 Car Batteries

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Get a New GMC Sierra 1500 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2021 GMC Sierra 1500 at Firestone Complete Auto Care.

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Battery Size & Replacement for 2021 GMC Sierra 1500

Researching battery replacements for your GMC Sierra 1500? Use the following chart to find information on GMC Sierra 1500 battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
94RH7	L4/2.7L	Replacement 36 months	Performance months	800
H7-AGM	L4/2.7L	Replacement 36 months	Performance months	850
94RH7	L6/3.0L	Replacement 36 months	Performance months	800
H8-AGM	L6/3.0L	Replacement 36 months	Performance months	900
48H6	V6/4.3L	Replacement 36 months	Performance months	730
H6-AGM	V6/4.3L	Replacement 36 months	Performance months	760
94RH7	V8/6.2L	Replacement 36 months	Performance months	800
H7-AGM	V8/6.2L	Replacement 36 months	Performance months	850
94RH7	V8/5.3L	Replacement 36 months	Performance months	800
H7-AGM	V8/5.3L	Replacement 36 months	Performance months	850

BATTERIES
L4/2.7L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L4/2.7L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
L6/3.0L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L6/3.0L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900
V6/4.3L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V6/4.3L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760
V8/6.2L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.2L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/5.3L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/5.3L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850

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Buying a Replacement Battery for GMC Sierra 1500

You can pretty much drive your GMC Sierra 1500 until you don't want to anymore. But your Sierra 1500's battery? Don't count on it to last forever. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your Sierra 1500’s car battery. Replace it regularly instead! 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, bloated battery case, corroded battery terminals, or weak lights can all be signs that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2021 GMC Sierra 1500 running! Automotive batteries are just one of our many areas of expertise. Our expert technicians understand GMC service recommendations for Sierra 1500 car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that's best for your Sierra 1500, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your Sierra 1500

We know what’s best for your GMC Sierra 1500, which is why we carry just that. You need a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond using state-of-the-art advancements to satisfy the expanding power requirements of modern vehicles They're no ordinary battery, they're extraordinary. Buy a DieHard battery for your GMC Sierra 1500 and have the peace of mind 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 1500 Battery

Got a new car battery installed in your 2021 GMC Sierra 1500? Great job! You can give your new battery a head start with proper care and attention. You can take care of your battery by limiting short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Commonly Asked Sierra 1500 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are GMC Sierra 1500-specific, visit your nearest store. Our technicians have the answers.

Why doesn’t my Sierra 1500 battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead Sierra 1500 battery? We’ll recycle your car battery for you!
How much do DieHard batteries cost for your GMC Sierra 1500? GMC Sierra 1500 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long is a car battery good for? The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.
What is the white, crusty stuff around my Sierra 1500’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Sierra 1500 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
What do I do about corrosion on my Sierra 1500 car battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
Where can I find a battery for my Sierra 1500? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Sierra 1500 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.