Why won’t my A6 Quattro battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have a habit of leaving your car doors 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 A6 Quattro battery?

We recycle it, taking care of both your car and the Earth.

How much do DieHard batteries cost for your Audi A6 Quattro?

Audi A6 Quattro 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?

You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.

What is the white, crusty stuff around my A6 Quattro’s battery post?

If you notice white, crusty stuff around the battery terminals of your A6 Quattro, 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 A6 Quattro’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean a corroded A6 Quattro battery terminal?

Regularly inspecting and cleaning your battery terminals will help keep your A6 Quattro’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Who sells A6 Quattro batteries near me?

Your local Firestone Complete Auto Care sells and installs A6 Quattro batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2018 Audi A6 Quattro Batteries

Get a New Audi Battery

Get a Battery for Your Audi A6 Quattro

Don’t let a dead battery stop you. Shop replacement car batteries for your 2018 Audi A6 Quattro at Firestone Complete Auto Care.

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The Right Battery Size for a 2018 Audi A6 Quattro

Researching battery replacements for your Audi A6 Quattro? Use this chart to find the right battery size and CCAs for your Audi A6 Quattro.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	L4/2.0L	Replacement 24 months	Performance months	615
94RH7	L4/2.0L	Replacement 36 months	Performance months	800
H7-AGM	L4/2.0L	Replacement 36 months	Performance months	850

BATTERIES
L4/2.0L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
L4/2.0L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L4/2.0L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850

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Buying a Replacement Battery for Audi A6 Quattro

Your A6 Quattro doesn't have an expiration date, but its battery does. Generally, car batteries last from three to five years. You want to replace your 2018 Audi A6 Quattro battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, a blinking battery or check engine light, bloated battery case, corroded battery posts, or dim headlights may all indicate that your battery is on its last leg.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2018 Audi A6 Quattro running! Car batteries are only one of our many strong suits. Our technicians are well-acquainted with Audi’s service specs for A6 Quattro car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that's best for your A6 Quattro, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your A6 Quattro

We know what’s best for your Audi A6 Quattro, which is why we only carry top-of-the-line replacement parts and batteries. You need a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries go above and beyond using the latest innovative technology to fuel the expanding power demands of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Audi A6 Quattro and get behind the wheel with confidence. Why? Because performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Audi A6 Quattro Battery

Have you recently had a fresh battery installed in your Audi A6 Quattro? Congrats! You can give your new battery a head start with proper care and attention. Help extend your car battery’s life by limiting short trips, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your A6 Quattro Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a A6 Quattro-specific battery question, visit your nearest store. Our expert techs have the answers you need.

Why won’t my A6 Quattro battery hold a charge? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have a habit of leaving your car doors 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 A6 Quattro battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your Audi A6 Quattro? Audi A6 Quattro 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? You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.
What is the white, crusty stuff around my A6 Quattro’s battery post? If you notice white, crusty stuff around the battery terminals of your A6 Quattro, 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 A6 Quattro’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean a corroded A6 Quattro battery terminal? Regularly inspecting and cleaning your battery terminals will help keep your A6 Quattro’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Who sells A6 Quattro batteries near me? Your local Firestone Complete Auto Care sells and installs A6 Quattro batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.