Are Audi A4 Reliable? Expert Insights

Are Audi A4 Reliable – If you’re considering purchasing a new car, reliability is likely to be high on your list of priorities.

The Audi A4 is a popular choice for those looking for a luxury sedan with a balance of performance and style. But the question remains, are Audi A4s reliable?

In this article, we’ll delve into the reliability of the Audi A4 by examining various sources of information, including data from industry experts and consumer reports.

We’ll also discuss the common issues that Audi A4 owners have experienced and provide tips on how to maintain your Audi A4 to maximize its reliability.

What Makes A Car Reliable?

Are Audi A4 Reliable

Before we dive into the reliability of the Audi A4, it’s essential to understand what makes a car reliable.

Generally, a reliable car is one that doesn’t break down often and is relatively inexpensive to maintain. Some of the factors that can contribute to a car’s reliability include:

Build Quality

A car’s build quality refers to how well it’s put together. A well-built car will have fewer rattles, squeaks, and other noises than a poorly built one.


The powertrain consists of the engine, transmission, and drivetrain. A reliable car will have a powertrain that’s durable and doesn’t require frequent repairs.

Safety Features

Reliable cars typically have a comprehensive suite of safety features that can help prevent accidents.


A reliable car often comes with a good warranty that covers most repairs and maintenance costs.


Regular maintenance is crucial to the reliability of any car. A reliable car should have a maintenance schedule that’s easy to follow and doesn’t require expensive or time-consuming repairs.

Now that we’ve discussed what makes a car reliable, let’s take a closer look at the Audi A4’s reliability.

Is Audi A4 Reliable?

is Audi A4 Reliable

According to industry experts, the Audi A4 is a reasonably reliable car. However, like any vehicle, it’s not perfect, and there are some common issues that Audi A4 owners have experienced.

One of the most common problems with the Audi A4 is with the engine. Specifically, some models have experienced oil consumption issues.

This can lead to low oil levels and cause engine damage over time.

However, Audi has issued several technical service bulletins (TSBs) addressing this issue, and many owners have reported successful repairs.

Another common issue with the Audi A4 is with the electrical system. Owners have reported problems with the car’s electronic control module (ECM) and various sensors.

These issues can cause the car’s warning lights to come on, leading to a costly diagnosis and repair.

Finally, some Audi A4 owners have experienced issues with the car’s transmission. Specifically, some models have experienced a jerking or slipping sensation when shifting gears.

This issue is relatively rare and has not affected many Audi A4 owners.

Despite these issues, the Audi A4 is still considered a reliable car by many industry experts. In fact, J.D. Power has ranked the Audi A4 as the top-performing compact premium car in its 2021 U.S. Vehicle Dependability Study.

How to Maintain Your Audi A4 for Maximum Reliability

Are Audi A4 Reliable

While the Audi A4 is a reliable car, proper maintenance is essential to ensure that it remains so. Here are some tips to help you maintain your Audi A4 for maximum reliability:

Follow the Maintenance Schedule

The Audi A4’s maintenance schedule is designed to keep the car running smoothly and prevent costly repairs.

Be sure to follow the maintenance schedule recommended by Audi, which includes regular oil changes, tire rotations, and brake inspections.

Check the Oil Regularly

As we mentioned earlier, some Audi A4 models are prone to oil consumption issues. It’s essential to check your car’s oil level regularly and add oil as needed to prevent engine damage.

Use Quality Parts and Fluids

When it’s time for repairs or maintenance, be sure to use high-quality parts and fluids that meet Audi’s specifications.

Using cheap or low-quality parts and fluids can lead to premature wear and damage to your car’s engine and other components.

Keep Your Tires Properly Inflated

Proper tire inflation is crucial to your car’s handling, fuel efficiency, and overall safety. Be sure to check your tires’ pressure regularly and inflate them to the recommended level.

Address Issues Promptly

If you notice any warning lights or unusual noises coming from your Audi A4, don’t ignore them. Address these issues promptly to prevent more significant problems down the road.

Drive Responsibly

Your driving habits can also impact your car’s reliability. Avoid harsh acceleration and braking, as this can cause premature wear to your car’s engine, brakes, and other components.

Store Your Car Properly

If you’re not using your Audi A4 for an extended period, be sure to store it properly. This includes parking it in a garage or covered area, removing the battery, and protecting the car’s exterior from the elements.

What Year Audi A4 is Most Reliable?

Are Audi A4 Reliable

When it comes to the most reliable year for the Audi A4, it’s essential to look at data from different sources to get a complete picture.

However, based on the information available, the Audi A4 model year 2017 is generally considered one of the most reliable.

According to the J.D. Power 2021 U.S. Vehicle Dependability Study, which measures the dependability of three-year-old vehicles, the 2017 Audi A4 performed exceptionally well, ranking as the top-performing compact premium car.

The study measures the number of problems experienced per 100 vehicles (PP100), and the 2017 Audi A4 had a score of 93 PP100, which is well below the industry average of 121 PP100.

Consumer Reports also gave the 2017 Audi A4 high marks for reliability, with an overall reliability score of four out of five.

In addition, the 2017 Audi A4 received high scores for its engine, transmission, and fuel system reliability.

It’s worth noting that other Audi A4 model years have also received high marks for reliability.

For example, the 2015 and 2016 Audi A4 also performed well in the J.D. Power Vehicle Dependability Study, with scores of 105 PP100 and 106 PP100, respectively.

The most reliable year for the Audi A4 may vary depending on the individual car’s maintenance history and other factors.

It’s always a good idea to do your research and inspect any used Audi A4 carefully before purchasing it, regardless of the model year.

Summary: Are Audi A4 Reliable

So, are Audi A4s reliable? The answer is yes, but like any car, they’re not perfect. However, the Audi A4 is generally considered a reliable car by industry experts and has ranked well in numerous studies.

To ensure your Audi A4 remains reliable, it’s crucial to follow the maintenance schedule recommended by Audi, use high-quality parts and fluids, and address any issues promptly. By taking care of your Audi A4, you can enjoy years of dependable and enjoyable driving.