1990 Porsche 911 Car Batteries

The Right Battery Size for a 1990 Porsche 911

Need more info about Porsche 911 batteries? Use this chart to find the right battery size and CCAs for your Porsche 911.

Battery Engine Warranty Cold Cranking Amps
MTP-48/H6 H6/3.6L Replacement 30 months Performance 72 months 760
MTX-48/H6 H6/3.6L Replacement 36 months Performance 36 months 760
MTZ-48/H6 H6/3.6L Replacement 48 months Performance 48 months 730
BATTERIES

H6/3.6L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

H6/3.6L

- Battery: MTX-48/H6

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 760

H6/3.6L

- 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. The average car battery lasts 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 battery or check engine light, bloated battery case, corroded battery terminals, or dim headlights can all be signs that your battery is waving goodbye.

You can also get a Free Battery Test at your local 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 necessary, a battery replacement to help keep your 1990 Porsche 911 running! Car batteries are only one of our many strong suits. Our expert technicians understand Porsche service recommendations for 911 battery CCAs and reserve capacity. Get help identifying the type and size of battery 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 only want what’s best for your Porsche 911, which is why we exclusively carry the best. We replace over 700,000 batteries each year with America's #1 replacement battery from Interstate Batteries. Interstate has been an battery-industry leader for durability, performance, and innovation for many years. That's why you'll find Interstate Batteries in the engines of many a Porsche 911. Their powerful products are installed in industrial lifts, commercial trucks, UTVs, and boats! To run optimally, your 1990 Porsche 911 requires a dependable battery. That’s why you should choose Interstate Battery. Their products are Outrageously Dependable®.

Making Your 911’s New Battery Last

Did you recently have a new 1990 Porsche 911 car battery installed? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. ensuring all the lights are turned off before you leave the car, limiting short trips, keeping the battery posts corrosion-free, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked 911 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your 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 car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop by for a free battery test at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my dead 911 battery? We recycle it, taking care of both your car and the Earth.
  • How much will replacing my Porsche 911’s battery cost? Porsche 911 batteries can be affordable, especially when there's an available battery coupon. The best part is, every Interstate Battery has both a maintenance-free performance warranty and a limited-time free replacement.

Porsche 911 Batteries Near You

Don't let a failing battery slow you down. Shop replacement batteries for 1990 Porsche 911s today and schedule a quick installation at Firestone Complete Auto Care.