Car Batteries for 1986 Jaguar XJ6

Get a New Jaguar XJ6 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 1986 Jaguar XJ6 at Firestone Complete Auto Care.

Battery Size & Replacement for 1986 Jaguar XJ6

Not sure what battery to get for your Jaguar XJ6? Use the following chart to find information on Jaguar XJ6 battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
34FT-2 L6/4.2L Replacement 36 months Performance months 800
34-AGM L6/4.2L Replacement 36 months Performance months 740
BATTERIES

L6/4.2L

- Battery: 34FT-2

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

L6/4.2L

- Battery: 34-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 740

Buying a Replacement Battery for Jaguar XJ6

Your XJ6 doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your XJ6’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, swollen battery case, corrosion-covered posts, or faded headlights can all be signs that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest 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 needed, a replacement battery for your 1986 Jaguar XJ6. Car batteries are one of our many specialties! Our technicians are familiar with Jaguar-specific recommendations for XJ6 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Why Choose a DieHard Battery for Your XJ6?

We only want what’s best for your Jaguar XJ6, which is why we carry just that. Your XJ6 needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries shatter expectations using state-of-the-art advancements to meet the increasing power needs of modern vehicles They're no ordinary battery, they're extraordinary. Choose a DieHard battery for your Jaguar XJ6 and have the peace of mind that your battery will perform when you need it. That's the kind of battery we deliver.

Making Your XJ6’s New Battery Last

Got a new car battery installed in your 1986 Jaguar XJ6? Good thinking! Give your new car battery the best start with proper care. ensuring all the lights are turned off before you leave the car, cutting back on unnecessary short trips, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.

Top XJ6 Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a XJ6-specific battery question, stop by your nearest store. Our technicians are happy to help.

  • Why won't my XJ6 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 may have a habit of leaving your car doors open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
  • What happens to my old XJ6 battery? We’ll recycle your car battery for you!
  • What’s the cost of DieHard batteries for Jaguar XJ6s? You can find affordable XJ6 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 often should I replace my car battery? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
  • What is the white, crusty substance accumulating on my XJ6’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 XJ6 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.
  • How do I clean a corroded XJ6 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 XJ6 owner’s manual for instructions on how to do so.
  • Where can I purchase XJ6 batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install XJ6 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.