1985 Pontiac Bonneville Batteries

The Right Battery Size for a 1985 Pontiac Bonneville

Not sure what battery to get for your Pontiac Bonneville? Use the following chart to find information on Pontiac Bonneville battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
MT-78 V6/3.8L Replacement 24 months Performance 60 months 770
MTP-75 V6/3.8L Replacement 30 months Performance 72 months 700
MT-78 V8/5.0L Replacement 24 months Performance 60 months 770
MTP-75DT V8/5.0L Replacement 30 months Performance 72 months 650
BATTERIES

V6/3.8L

- Battery: MT-78

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 770

V6/3.8L

- Battery: MTP-75

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 700

V8/5.0L

- Battery: MT-78

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 770

V8/5.0L

- Battery: MTP-75DT

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 650

Shopping for Pontiac Bonneville Car Batteries

Your Bonneville doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. You want to replace your 1985 Pontiac Bonneville battery before it fails and leaves you stranded. Pay attention to clues that your battery is on its way out. A slow engine crank, a blinking battery or check engine light, swollen battery case, corroded battery posts, or faded headlights can all signal that your battery is on its last leg.

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. Drop in for a free battery check and, if necessary, a battery replacement to help keep your 1985 Pontiac Bonneville running! Car batteries are only one of our many strong suits. Our technicians are well-acquainted with Pontiac’s service specs for Bonneville car batteries’ reserve capacities and cold cranking amps. Get help figuring out the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Are Interstate Batteries Good for Bonnevilles?

Your Pontiac Bonneville deserves the best, 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 leads the way in terms of car battery reliability, performance, and innovation. That's why you'll find Interstate Batteries in the engines of many a Pontiac Bonneville. Their powerful products are installed in industrial lifts, freightliners, utility vehicles, and fishing boats. You need a car battery that's just as dependable as your 1985 Pontiac Bonneville. That’s why you should choose Interstate Battery. Their products are Outrageously Dependable®.

After Buying 1985 Pontiac Bonneville Battery

Did you recently have a new 1985 Pontiac Bonneville car battery installed? 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 not using electronics such as the radio and power outlets when the engine is off.

Top Bonneville Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your Pontiac Bonneville battery, pay us a visit. Our technicians are happy to help.

  • Why won’t my Bonneville battery hold a charge? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you’ve been leaving the doors slightly open and the dome lights on during the 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 dead Bonneville battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  •  How much do Pontiac Bonneville batteries cost? Pontiac Bonneville 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 Pontiac Bonneville

Don't let a failing battery slow you down. Shop replacement batteries for 1985 Pontiac Bonnevilles today and schedule a quick installation at Firestone Complete Auto Care.