Car Batteries for 2008 Porsche 911

The Right Battery Size for a 2008 Porsche 911

Need more info about Porsche 911 batteries? Use the following chart to find information on Porsche 911 battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
MTP-94R/H7 H6/3.8L Replacement 30 months Performance 72 months 790
MTP-94R/H7 H6/3.6L Replacement 30 months Performance 72 months 790
BATTERIES

H6/3.8L

- Battery: MTP-94R/H7

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 790

H6/3.6L

- Battery: MTP-94R/H7

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 790

Shopping for Porsche 911 Car Batteries

You can pretty much drive your Porsche 911 until you don't want to anymore. But your 911's battery? Don't count on it to last forever. 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 check engine light or battery signal, bloated battery case, corroded battery terminals, or faded headlights 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 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 2008 Porsche 911 running! Car batteries are one of our many specialties! Our technicians are well-acquainted with Porsche’s service specs for 911 battery CCAs and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Should You Choose Interstate Batteries for Your 911?

We know what’s best for your Porsche 911, which is why we exclusively carry the best. Our technicians install over 700,000 batteries/year using America's #1 replacement battery from Interstate Batteries. Interstate has been a leader in car battery reliability, power, and technology. That's why you'll find Interstate Batteries in the engines of many a Porsche 911. Their entire line of powerful offerings can be found in forklifts freightliners, UTVs, and even boats! To run optimally, your 2008 Porsche 911 requires a dependable battery. And Interstate Batteries are Outrageously Dependable®.

Caring for a New Porsche 911 Battery

Did you recently have a new 2008 Porsche 911 car battery installed? Congrats! You can give your new battery a head start with proper care and attention. turning off all of the lights when you leave your vehicle, 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 911 Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a battery question that's unique to your Porsche 911 battery, stop by your nearest store. Our expert techs have the answers you need.

  • Why won't my 911 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 been leaving your car doors ajar and the dome lights on during the 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 will replacing my Porsche 911’s battery cost? Porsche 911 batteries can be affordable, especially when there's an available battery coupon. And, all Interstate Batteries have a limited-time free replacement and performance warranty.

Get a Battery for Your Porsche 911

Don't let a failing battery slow you down. Shop replacement batteries for 2008 Porsche 911s today and schedule a quick installation at Firestone Complete Auto Care.