2011 Porsche Boxster Batteries

The Right Battery Size for a 2011 Porsche Boxster

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

Battery Engine Warranty Cold Cranking Amps
MTP-94R/H7 H6/2.9L Replacement 30 months Performance 72 months 790
MTX-94R/H7 H6/2.9L Replacement 36 months Performance 36 months 850
MTP-94R/H7 H6/3.4L Replacement 30 months Performance 72 months 790
MTX-94R/H7 H6/3.4L Replacement 36 months Performance 36 months 850
BATTERIES

H6/2.9L

- Battery: MTP-94R/H7

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 790

H6/2.9L

- Battery: MTX-94R/H7

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 850

H6/3.4L

- Battery: MTP-94R/H7

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 790

H6/3.4L

- Battery: MTX-94R/H7

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 850

Buying a Replacement Battery for Porsche Boxster

Your Boxster doesn't have an expiration date, but its battery does. Generally, car batteries last from three to five years. Don’t get stranded by your Boxster’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A slow engine crank, an illuminated check engine light or battery signal, swollen battery case, corrosion-covered posts, or faded headlights may all indicate 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. Visit us for a complimentary battery check and, if needed, a replacement battery for your 2011 Porsche Boxster. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Porsche service recommendations for Boxster battery cold cranking amps and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Why Choose an Interstate Battery for Your Boxster?

We only want what’s best for your Porsche Boxster, 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 has been an battery-industry leader for durability, power, and innovation for many years. That’s why it’s unsurprising to find an Interstate Battery in the engine of a Porsche Boxster. Their tried and true products are commonly used in boom lifts, freightliners, golf carts, and boats! You need a car battery that's just as dependable as your 2011 Porsche Boxster. That's Interstate: Outrageously Dependable®.

Making Your Boxster’s New Battery Last

Got a new car battery installed in your 2011 Porsche Boxster? Good thinking! Now, help it last longer and stay charged by caring for it from the get-go. flipping the dome lights and headlights off when exiting the car, decreasing the number of short trips you take, cleaning your battery posts, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked Boxster Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Porsche Boxster-specific, stop by your nearest store. Our expert techs have the answers you need.

  • Why won’t my Boxster battery hold a charge? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
  • What happens to my old Boxster battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  •  How much do Porsche Boxster batteries cost? Porsche Boxster 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.

Porsche Boxster Batteries Near You

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2011 Porsche Boxster today and schedule a quick installation at Firestone Complete Auto Care.