2003 Buick Regal Car Batteries

Get a Battery for Your Buick Regal

Don't let a failing battery slow you down. Shop replacement batteries for 2003 Buick Regals today and schedule a quick installation at Firestone Complete Auto Care.

2003 Buick Regal Battery Replacement & Size

Not sure what battery to get for your Buick Regal? Use this chart to find the right battery size and CCAs for your Buick Regal.

Battery Engine Warranty Cold Cranking Amps
78-1 V6/3.8L Replacement 24 months Performance months 700
78FT-2 V6/3.8L Replacement 36 months Performance months 800
78-AGM V6/3.8L Replacement 36 months Performance months 740
BATTERIES

V6/3.8L

- Battery: 78-1

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 700

V6/3.8L

- Battery: 78FT-2

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

V6/3.8L

- Battery: 78-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 740

Buying a Replacement Battery for Buick Regal

Sadly, your Buick Regal won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Buick Regal 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 posts, or faded headlights may all indicate that your battery is waving goodbye.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Visit us for a complimentary battery check and, if needed, get your Buick Regal a replacement battery. Car batteries are one of our many specialties! Our technicians are familiar with Buick-specific recommendations for Regal battery cold cranking amps and reserve capacity. Get help identifying the type and size of battery that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for Regals?

Your Buick Regal deserves the best, which is why we exclusively carry the best. Your Regal needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond and house the latest technology to fuel the growing power requirements of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your Buick Regal and drive with confidence knowing that performance will be there when you're counting on it. That's the kind of battery we deliver.

Making Your Regal’s New Battery Last

Got a new car battery installed in your 2003 Buick Regal? Congrats! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, cleaning your battery posts, and not using electronics such as the radio and power outlets when the engine is off.

Answers to Your Regal Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are Buick Regal-specific, pay us a visit. Our expert techs have the answers you need.

  • Why doesn’t my Regal battery stay charged? A battery that won't hold a charge is almost as good as dead. It may be getting old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.
  • What happens to my old Regal battery? We recycle it, taking care of both your car and the Earth.
  •  How much do DieHard batteries cost for your Buick Regal? Get affordable prices on Buick Regal 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.