Car Batteries for 1999 Porsche 911

1999 Porsche 911 Battery Replacement & Size

Need more info about Porsche 911 batteries? Check the chart to find the right car battery size and cold cranking amps for your 911.

Battery Engine Warranty Cold Cranking Amps
MTP-48/H6 H6/3.4L Replacement 30 months Performance 72 months 760
MTX-48/H6 H6/3.4L Replacement 36 months Performance 36 months 760
MTZ-48/H6 H6/3.4L Replacement 48 months Performance 48 months 730
BATTERIES

H6/3.4L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

H6/3.4L

- Battery: MTX-48/H6

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 760

H6/3.4L

- Battery: MTZ-48/H6

- Warranty: Replacement 48 months, Performance 48 months

- Cold Cranking Amps: 730

Buy the Right Battery for Your Porsche 911

Sadly, your Porsche 911 won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your 911’s car battery. Replace it regularly instead! Look out for symptoms of a faulty car battery. A sluggish engine start, an illuminated check engine light or battery signal, bloated battery case, corrosion-covered posts, or dim headlights can all signal that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. 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 needed, get your Porsche 911 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Porsche’s service specs for 911 car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your 911, and schedule a fast car battery replacement at your earliest convenience.

Should You Choose Interstate Batteries for Your 911?

We only want what’s best for your Porsche 911, which is why we carry just that. We install more than 700,000 car batteries a year using America's #1 replacement battery from Interstate Batteries. Interstate has been a leader in car battery reliability, charge capacity, and innovation. That's why you'll find Interstate Batteries in the engines of many a Porsche 911. Their powerful products are installed in forklifts freightliners, UTVs, and even boats! Your 1999 Porsche 911 needs a reliable battery to run optimally. That’s why you should choose Interstate Battery. Their products are Outrageously Dependable®.

After Buying 1999 Porsche 911 Battery

Did you recently have a new 1999 Porsche 911 car battery installed? Great job! Now, help it last longer and stay charged by caring for it from the get-go. turning off all of the lights when you leave your vehicle, cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Commonly Asked 911 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Porsche 911-specific, pay us a visit. Our technicians have the answers.

  • Why won't my 911 battery stay charged? 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 dome lights on during the night. Stop in for a free battery check at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
  • 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? Get affordable prices on Porsche 911 batteries by using one of our limited-time battery deals. The best part is, every Interstate Battery has both a maintenance-free performance warranty and a limited-time free replacement.

Get a New Porsche 911 Battery

Don't let a failing battery slow you down. Shop replacement batteries for 1999 Porsche 911s today and schedule a quick installation at Firestone Complete Auto Care.