1986 Porsche 911 Batteries

Battery Size & Replacement for 1986 Porsche 911

Researching battery replacements for your Porsche 911? Use this chart to find the right battery size and CCAs for your Porsche 911.

Battery Engine Warranty Cold Cranking Amps
MT-49/H8 H6/3.2L Replacement 24 months Performance 60 months 900
MTP-49/H8 H6/3.2L Replacement 30 months Performance 72 months 900
MTX-49/H8 H6/3.2L Replacement 36 months Performance 36 months 900
MT-49/H8 H6/3.3L Replacement 24 months Performance 60 months 900
MTP-48/H6 H6/3.3L Replacement 30 months Performance 72 months 760
MTX-48/H6 H6/3.3L Replacement 36 months Performance 36 months 760
BATTERIES

H6/3.2L

- Battery: MT-49/H8

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 900

H6/3.2L

- Battery: MTP-49/H8

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 900

H6/3.2L

- Battery: MTX-49/H8

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 900

H6/3.3L

- Battery: MT-49/H8

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 900

H6/3.3L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

H6/3.3L

- Battery: MTX-48/H6

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 760

Shopping for Porsche 911 Car Batteries

Your 911 doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Porsche 911 stranded. Watch for signs that your current battery is getting too old or too weak. A slow engine crank, an illuminated battery or check engine light, swollen battery case, corrosion-covered posts, and subpar electrical performance may all indicate that your battery needs attention.

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. Stop by for a free battery test and, if needed, get your Porsche 911 a replacement battery. Car batteries are one of our many specialties! Our expert technicians understand Porsche service recommendations for 911 car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Are Interstate Batteries Good for 911s?

Your Porsche 911 deserves the best, which is why we only carry top-of-the-line replacement parts and batteries. We replace over 700,000 batteries each year with Interstate Batteries, America’s #1 replacement battery brand. Interstate leads the way in terms of car battery reliability, performance, and innovation. Pop the hood of any Porsche 911 and you may find a trusty Interstate Battery. Their entire line of powerful offerings can be found in boom lifts, severe duty trucks, golf carts, and boats! To run optimally, your 1986 Porsche 911 requires a dependable battery. And Interstate Batteries are Outrageously Dependable®.

Making Your 911’s New Battery Last

Did you recently have a new 1986 Porsche 911 car battery installed? Congrats! Give your new car battery the best start with proper care. ensuring all the lights are turned off before you leave the car, limiting short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your 911 Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a 911-specific battery question, visit your nearest store. Our expert techs have the answers you need.

  • Why won’t my 911 battery hold a charge? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my old 911 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  •  How much do Porsche 911 batteries cost? Porsche 911 batteries can be affordable, especially when there's an available battery coupon. Plus, every Interstate Battery comes with a maintenance-free performance warranty and limited-time free replacement.

Get a New Porsche 911 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 1986 Porsche 911 at Firestone Complete Auto Care.