Why doesn’t my Sierra 2500 HD Classic battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. 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 favorite Firestone Complete Auto Care to learn more about the state of your battery.

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

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

How much will replacing my GMC Sierra 2500 HD Classic’s battery cost if I get a DieHard battery?

You can find affordable Sierra 2500 HD Classic batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

How long is a car battery good for?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

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

If you notice white, crusty stuff around the battery terminals of your Sierra 2500 HD Classic, 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 Classic’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean a corroded Sierra 2500 HD Classic battery terminal?

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 Classic owner’s manual for instructions on how to do so.

Where can I purchase Sierra 2500 HD Classic batteries near me?

You can shop for Sierra 2500 HD Classic 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.

2007 GMC Sierra 2500 HD Classic Car Batteries

Get a New GMC Battery

GMC Sierra 2500 HD Classic Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2007 GMC Sierra 2500 HD Classic at Firestone Complete Auto Care.

Shop Batteries

2007 GMC Sierra 2500 HD Classic Battery Replacement & Size

Researching battery replacements for your GMC Sierra 2500 HD Classic? Use the following chart to find information on GMC Sierra 2500 HD Classic battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
75-2	V8/6.0L	Replacement 24 months	Performance months	650
78FT-2	V8/6.0L	Replacement 36 months	Performance months	800
78-AGM	V8/6.0L	Replacement 36 months	Performance months	740
34/78-4	V8/6.6L	Replacement 24 months	Performance months	800
48H6	V8/6.6L	Replacement 36 months	Performance months	730
H6-AGM	V8/6.6L	Replacement 36 months	Performance months	760
91-1	V8/8.1L	Replacement 24 months	Performance months	615
75FT-3	V8/8.1L	Replacement 36 months	Performance months	700
78-AGM	V8/8.1L	Replacement 36 months	Performance months	740

BATTERIES
V8/6.0L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/6.0L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.0L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/6.6L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
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
V8/8.1L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
V8/8.1L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/8.1L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

Schedule an Appointment

Buying a Replacement Battery for GMC Sierra 2500 HD Classic

Sadly, your GMC Sierra 2500 HD Classic won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your Sierra 2500 HD Classic’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A sluggish engine start, an illuminated battery or check engine light, bloated battery case, corroded battery posts, or dim headlights can all signal that your battery is on its last leg.

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 needed, get your GMC Sierra 2500 HD Classic a replacement battery. Car batteries are one of our many specialties! Our expert technicians understand GMC service recommendations for Sierra 2500 HD Classic car batteries’ reserve capacities and cold cranking amps. Get help figuring out the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Why Choose a DieHard Battery for Your Sierra 2500 HD Classic?

Your GMC Sierra 2500 HD Classic deserves the best, which is why we exclusively carry the best. You need a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries go above and beyond and house the latest technology to fuel the increasing power demands of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your GMC Sierra 2500 HD Classic and drive with confidence knowing that performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

After Buying 2007 GMC Sierra 2500 HD Classic Battery

Did you recently have a new 2007 GMC Sierra 2500 HD Classic car battery installed? Good thinking! You can give your new battery a head start with proper care and attention. ensuring all the lights are turned off before you leave the car, cutting back on unnecessary short trips, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Answers to Your Sierra 2500 HD Classic Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a Sierra 2500 HD Classic-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my Sierra 2500 HD Classic battery stay charged? A car battery that needs to be jump-started every time is as good as dead. 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 favorite Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead Sierra 2500 HD Classic battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much will replacing my GMC Sierra 2500 HD Classic’s battery cost if I get a DieHard battery? You can find affordable Sierra 2500 HD Classic batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
How long is a car battery good for? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
Why is there white, crusty buildup on my Sierra 2500 HD Classic’s battery post? If you notice white, crusty stuff around the battery terminals of your Sierra 2500 HD Classic, 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 Classic’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean a corroded Sierra 2500 HD Classic battery terminal? 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 Classic owner’s manual for instructions on how to do so.
Where can I purchase Sierra 2500 HD Classic batteries near me? You can shop for Sierra 2500 HD Classic 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.