Mazda 3 Battery Size

Like most comparable vehicles, the Mazda3 comes equipped with a 12-volt battery that could generally be expected to last somewhere between three and five years.
Written by Melanie Mergen
Reviewed by Melanie Reiff
Like most comparable vehicles, the Mazda3 comes equipped with a 12-volt battery that can generally be expected to last between three and five years, depending on different factors.
The Mazda3 is a crowd favorite among the compact cars class due to its sporty handling, impressive performance capabilities, and high-quality materials found inside the cabin. But if you’re thinking of purchasing a Mazda3 for yourself—or if you already have one—it helps to know when you can expect to need to replace its battery.
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How long does a Mazda3 battery last? 

Like the typical car battery, a Mazda3 battery could generally be expected to last anywhere from three to five years.
A number of factors can affect how long a battery lasts, including:
  • Your driving habits
  • Your vehicle’s power needs
  • Any electronic accessory add-ons
  • The temperatures it’s exposed to
  • Other environmental factors
  • Corrosion
While they can vary depending on the model year, in the majority of cases, these are the typical specifications that will be named in a Mazda3 owner’s manual:
  • 12V-60Ah/20HR 
  • 12V-65Ah/20HR
Like plenty of other gas-powered vehicles, the Mazda3 uses a 12-volt battery. The “Ah” here is short for “ampere hours” or “amp hours” and tells you how many amps the battery could put out in an hour. The “20 hours” here tells you how long it would take to empty a fully-charged power battery at that rate.
  • Group size: Indicates the physical dimensions of the battery and the placement of its terminals, ensuring it will properly fit inside your vehicle
  • Cold-cranking amps (CCA): Tells you how many amps a battery can support for 30 seconds at 30°F
If you’re unsure what kind of replacement battery your Mazda3 needs, you can always check with your Mazda service center or an auto shop.

Mazda3 battery specs

The easiest way to find the right replacement battery for your Mazda3 is to look at the specifications found on the label of your OEM battery.
You can also find your Mazda3 battery specifications by checking your owner’s manual. Here’s a look at how the Mazda3’s battery specs compare for recent model years.
Model year
Battery specifications
2023
12V-60Ah/20HR or 12V-65Ah/20HR
2022
12V-60Ah/20HR or 12V-65Ah/20HR
2021
12V-60Ah/20HR or 12V-65Ah/20HR
2020
12V-60Ah/20HR or 12V-65Ah/20HR
2019
12V-60Ah/20HR or 12V-65Ah/20HR
2018
Q-85 (designed for i-ELOOP system) or 12V-60Ah/20HR or 12V-65Ah/20HR (non-i-ELOOP system)
2017
Q-85 (designed for i-ELOOP system) or 12V-60Ah/20HR or 12V-65Ah/20HR (non-i-ELOOP system)
2016
Q-85 (designed for i-ELOOP system) or 12V-60Ah/20HR or 12V-65Ah/20HR (non-i-ELOOP system)
2015
Q-85 (designed for i-ELOOP system) or 12V-60Ah/20HR or 12V-65Ah/20HR (non-i-ELOOP system)
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How does the Mazda3’s battery measure up to the competition?

The Mazda3 requires a battery with a capacity of 12 volts—like the majority of other vehicles in its class, as you can see in the table below.
Model
Battery capacity
2022 Honda Civic
12V
2017 Ford Focus
12 V
2022 Toyota Corolla
12 V
2022 Volkswagen Jetta
12 V
2022 Hyundai Elantra
12 V
2022 Nissan Sentra
12 V
2022 Kia Forte
12 V
While all these models have their own amenities and performance capabilities, it’s safe to say their electrical power needs are pretty comparable.

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