Why won't my S3 battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you’ve been leaving the doors slightly open and the cabin light at night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and get a handle on your car battery’s health.

What happens to my old S3 battery?

We’ll recycle your car battery for you!

How much will replacing my Audi S3’s battery cost if I get a DieHard battery?

Audi S3 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 can I expect my car battery to last?

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 substance accumulating on my S3’s battery post?

If you notice white, crusty stuff around the battery terminals of your S3, 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 S3’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I remove corrosion from my S3 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 S3 owner’s manual for instructions on how to do so.

Where can I purchase S3 batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install S3 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.

2018 Audi S3 Batteries

Get a New Audi Battery

Audi S3 Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2018 Audi S3 at Firestone Complete Auto Care.

Shop Batteries

2018 Audi S3 Battery Replacement & Size

Need more info about Audi S3 batteries? Check the chart to find the right car battery size and cold cranking amps for your S3.

Battery	Engine	Warranty		Cold Cranking Amps
H4	L4/2.0L	Replacement 36 months	Performance months	480
H5-AGM	L4/2.0L	Replacement 36 months	Performance months	680

BATTERIES
L4/2.0L - Battery: H4 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 480
L4/2.0L - Battery: H5-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 680

Schedule an Appointment

Buy the Right Battery for Your Audi S3

Sadly, your Audi S3 won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. You want to replace your 2018 Audi S3 battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A slow engine crank, an illuminated battery or check engine light, bloated battery case, corroded battery terminals, or weak lights may all indicate 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. Drop in for a free battery check and, if necessary, a battery replacement to help keep your 2018 Audi S3 running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Audi’s service specs for S3 battery CCAs and reserve capacity. Get help identifying the type and size of battery that's best for your S3, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your S3

Your Audi S3 deserves the best, which is why we carry just that. You need a reliable, durable and powerful battery in extremely hot and cold environments. DieHard S3 batteries surpass expectations and house the latest technology to satisfy the growing power demands of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Go with a DieHard battery for your S3 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 Audi S3 Battery

Did you recently have a new 2018 Audi S3 car battery installed? Congrats! 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, limiting short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.