Car Batteries for 1991 Porsche 928

The Right Battery Size for a 1991 Porsche 928

Not sure what battery to get for your Porsche 928? Use this chart to find the right battery size and CCAs for your Porsche 928.

Battery Engine Warranty Cold Cranking Amps
MTP-48/H6 V8/5.0L Replacement 30 months Performance 72 months 760
MTX-48/H6 V8/5.0L Replacement 36 months Performance 36 months 760
MTZ-48/H6 V8/5.0L Replacement 48 months Performance 48 months 730
BATTERIES

V8/5.0L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

V8/5.0L

- Battery: MTX-48/H6

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 760

V8/5.0L

- Battery: MTZ-48/H6

- Warranty: Replacement 48 months, Performance 48 months

- Cold Cranking Amps: 730

Shopping for Porsche 928 Car Batteries

Your 928 doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. You want to replace your 1991 Porsche 928 battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corroded battery posts, or dim headlights may all indicate that your battery needs attention.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if needed, get your Porsche 928 a replacement battery. Car batteries are one of our many specialties! Our expert technicians understand Porsche service recommendations for 928 battery CCAs and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Why Choose an Interstate Battery for Your 928?

We only want what’s best for your Porsche 928, which is why we only carry top-of-the-line replacement parts and batteries. We replace over 700,000 batteries each year with outrageously dependable Interstate Batteries. Interstate leads the way in terms of car battery reliability, power, and innovation for many years. That's why you'll find Interstate Batteries in the engines of many a Porsche 928. Their entire line of powerful offerings can be found in industrial lifts, severe duty trucks, UTVs, and even boats! To run optimally, your 1991 Porsche 928 requires a dependable battery. And Interstate Batteries are Outrageously Dependable®.

Caring for a New Porsche 928 Battery

Have you recently had a fresh battery installed in your Porsche 928? Good thinking! You can give your new battery a head start with proper care and attention. Help extend your car battery’s life by cutting back on unnecessary short trips, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Commonly Asked 928 Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have battery questions that are Porsche 928-specific, visit your nearest store. Our technicians have the answers.

  • Why won’t my 928 battery hold a charge? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my old 928 battery? We’ll recycle your car battery for you!
  •  How much do Porsche 928 batteries cost? Porsche 928 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 Battery for Your Porsche 928

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1991 Porsche 928 today and schedule a quick installation at Firestone Complete Auto Care.