Where Is The Battery Located In An Audi A4?

Audi belongs to the elite group of car manufacturers that produces some of the considered premium cars today. One of the widely recognized aspects is being the protagonist’s preferred brand in the “Transporter” movie series, played by Jason Statham and Ed Skrein.

It was also the brand preferred by “Iron Man,” where he uses the R8 model in End Game. However, the movies just amplified its popularity as the Audi was very famous back then due to the quality, reliability, fuel efficiency, and exquisite designs of their vehicles. An example of it is the A4 model.

Where is the battery in an Audi A4? The Audi A4 is a model based on the Volkswagen Group B platform; that is why it has a very different layout. The battery location of the A4 varies depending on the vehicle’s model year, making it more unpredictable.

In some models, the battery is placed under the spare tire within its trunk, while some models have it set against the firewall of the engine block. For models that have the battery concealed in the firewall on the engine block, it will also depend on the size of its engine.

Some of them have the battery at the center of the firewall, while others have it slightly at the right part of the firewall. That means the answer to the question is first to identify the model year of the A4 Audi vehicle. Otherwise, you are going to waste time and may risk damaging the car through your search.

The best thing you can do to locate the battery of your Audi A4 is to check the car’s owner’s manual; it is there you will determine the battery’s exact placement for the specific model.


If you are an owner of Audi A4 and need to replace its battery, you don’t know where it is located. You are in the right place! Fortunately, plenty of car owners shared their own experiences, including A4 owners detailing how they found their models’ battery location.

I compiled all the results of my research and then disclosed them all here. So, stay awhile and let me show you how to replace the battery of your Audi A4.

Locating and Replacing the Battery of An Audi A4 Vehicle

As I mentioned earlier, the battery’s location in an Audi A4 vary according to its year model, can be very unpredictable for many people. However, there is one sure way of locating its battery without doing a lot of research and asking a lot of people. It is by referring to the owner’s manual of the vehicle.

Now, if you are unsure of the battery location of your A4 and you need to replace its battery, here’s what you have to do.

Step 1: Verifying the Battery Location on Your A4 Model

Suppose you are to replace the battery of your A4 model. The first thing you have to do is to verify the exact location of its old car battery, which is the one to be replaced.

To learn where it is exactly placed, the best thing you can do is consult your Audi A4’s owner’s manual to describe the exact location of its battery. This is the surest thing to confirm where is the location of an A4’s car battery is located.

If you are only to determine the battery’s placement, then you’ve already done it, but if you are to replace the battery, this is only the first step.

Common Battery Locations of Audi A4

To make it even easier for you, here are to most common battery locations of the battery in an Audi A4.

1. In the trunk, under the spare tire
2. At the center of the firewall on the engine block
3. At the right part of the

Step 2: Gain Access to the Old Battery that Needs to Be Replaced

After confirming where the battery of your A4 model is placed, the next thing you have to do is to gain access to it. If it is under the spare tire within the trunk, then you have to carefully remove the spare tire and then slowly remove its cover.

In case the battery is placed within the firewall, regardless of the part, then you have to slowly and carefully remove the weatherstripping to gain access.

Step 3: Disconnecting the Battery Cables and Detaching Them

Once you have access to the battery, the next thing you have to do is to loosen up the bolts holding the cables connected with the car battery. Use a wrench to do this and make sure to loosen up the bolts before disconnecting the wires.

When both of the bolts loosen up, it is time to detach the wires. Work on one of them by gently twisting the wire and then pulling it. And then doing the same thing on the other one.

Step 4: Loosen Up the Battery and then Removing it From Tray

Now that the battery cables are detached from the car battery, you can now prepare it for its removal. Most of the time, the battery of an A4 is held in place with three clamps and an Allen bolt.

In case your A4 is one of the models that has its battery placed within the firewall, you will have to remove the rubber on the top first to access the clamps and the Allen bolt. After accessing the clamps, loosen them up as well as the Allen bolt to prepare it for removal.

Once the battery is loose, you can gently pull it up to remove it, and then get ready for the next step.

Step 5: Installing the Battery Replacement on the Audi A4

After removing the old battery of your Audi A4 vehicle and setting it aside for proper disposal, you can now then install the proper replacement battery on the tray, but you will have to make sure that it clean by getting rid of dirt buildups, and corrosion.

You may also want to apply some petroleum jelly on the terminals of the replacement battery for future protection against corrosion and dirt buildups.

Once everything is done, you can now place the battery replacement on its rightful and designated place. Make sure that it perfectly sits on the tray.

Step 6: Wrap Things Up by Securing the Battery and Reassembling

Once you made sure that the battery perfectly sits in place. You can now finish up the entire replacement process by fastening the Allen bolt (if there is one) and then tightening the clamps that will hold it in place.

In case the battery is placed within the firewall, then you will also have to place the rubber on top then the weather stripping. If the A4 model is the one where the battery is under the trunk, then you will have to replace whatever it is you removed covering it.

That is the proper way of replacing the car battery of an Audi A4 regardless of its model year. It is best to confirm where the battery is placed by consulting the owner’s manual of the vehicle, rather than doing research or asking professionals.

In case the manual is lost, then you look for one online straight. Or you can do the research or try and check the common locations I listed above.

With that, you can carry out the process as soon as you can and get your car back in the road at the soonest possible time.