What Size Battery Goes in a 2005 Mustang? Answers and More

by Phil Borges // in Car

If you own a 2005 Mustang, it’s important to know what type of battery it requires and how to change it when needed. The battery is a vital component of your car’s electrical system, providing power to start the engine and run accessories. In this article, we’ll answer common questions about the 2005 Mustang battery, such as what size it requires and what brands are recommended. We’ll also provide a step-by-step guide on how to change the battery, as well as some information on the reliability of the 2005 Mustang V6. So, let’s dive in and learn everything you need to know about the 2005 Mustang battery.

What Size Battery Goes in a 2005 Mustang?

The 2005 Mustang requires a battery that has a Group Size of 96R. This means that the battery must fit into a space that is 11 inches long, 6 7/8 inches wide, and 7 1/2 inches tall. The battery should also have a minimum of 590 cold cranking amps (CCA) and a minimum of 100 reserve capacity (RC) minutes.

What Battery Does a Mustang Need?

The 2005 Mustang can use any battery with a Group Size of 96R, as long as it meets the minimum requirements of 590 CCA and 100 RC minutes. Some popular brands that offer suitable replacement batteries for the 2005 Mustang include Optima, AC Delco, and Interstate.

How Do You Change the Battery in a 2005 Mustang?

Changing the battery in a 2005 Mustang is a relatively simple process. First, make sure that the car is turned off and the keys are removed from the ignition. Locate the battery in the engine bay and remove the negative cable (black) from the battery terminal. Then, remove the positive cable (red) from the battery terminal. Use a wrench or pliers to remove the battery hold-down clamp and carefully lift the battery out of the car. Place the new battery in the same position and reconnect the cables in the opposite order, positive (red) first followed by the negative (black). Make sure the battery is securely in place with the hold-down clamp and start the car to ensure everything is working properly.

Is a 2005 Mustang V6 a Good Car?

The 2005 Mustang V6 is a reliable and fun car to drive. It has a powerful 4.0-liter V6 engine that produces 210 horsepower and 240 lb-ft of torque. The car is known for its sleek and stylish design, comfortable interior, and excellent handling. However, like all cars, it may have some common issues such as transmission problems, power window failures, and faulty fuel pumps. Regular maintenance and care can help prevent these problems and keep the car running smoothly for years to come.


In conclusion, if you are in need of a new battery for your 2005 Mustang, make sure to choose one with a Group Size of 96R, at least 590 CCA, and 100 RC minutes. There are many great brands to choose from, and changing the battery is a simple process that can be done at home. Additionally, the 2005 Mustang V6 is a great car that offers a combination of power, style, and comfort. If you take care of it properly, it can provide years of enjoyment on the road.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.