Researching battery replacements for your Porsche 911? Use this chart to find the right battery size and CCAs for your Porsche 911.
|Battery||Engine||Warranty||Cold Cranking Amps|
|MT-91/T6||H6/3.6L||Replacement 24 months||Performance 60 months||590|
|MTP-48/H6||H6/3.6L||Replacement 30 months||Performance 72 months||760|
|MTX-94R/H7||H6/3.6L||Replacement 36 months||Performance 36 months||850|
- Battery: MT-91/T6
- Warranty: Replacement 24 months, Performance 60 months
- Cold Cranking Amps: 590
- Battery: MTP-48/H6
- Warranty: Replacement 30 months, Performance 72 months
- Cold Cranking Amps: 760
- Battery: MTX-94R/H7
- Warranty: Replacement 36 months, Performance 36 months
- Cold Cranking Amps: 850
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. 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, a blinking battery or check engine light, swollen battery case, corroded battery terminals, or dim headlights can all be signs that your battery needs attention.
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. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2003 Porsche 911 running! Car batteries are only one of our many strong suits. Our technicians are familiar with Porsche-specific recommendations for 911 battery CCAs and reserve capacity. Get help identifying the type and size of battery that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.
Your Porsche 911 deserves the best, which is why we exclusively carry the best. We install more than 700,000 car batteries a year using outrageously dependable Interstate Batteries. Interstate has been a leader in car battery reliability, power, and innovation for many years. That’s why it’s unsurprising to find an Interstate Battery in the engine of a Porsche 911. Their entire line of powerful offerings can be found in boom lifts, commercial trucks, golf carts, and fishing boats. To run optimally, your 2003 Porsche 911 requires a dependable battery. That's Interstate: Outrageously Dependable®.
Got a new car battery installed in your 2003 Porsche 911? Great job! Give your new car battery the best start with proper care. ensuring all the lights are turned off before you leave the car, limiting short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.
Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your Porsche 911 battery, stop by your nearest store. Our technicians have the answers.
The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2003 Porsche 911 today and schedule a quick installation at Firestone Complete Auto Care.