Which Mazda 6 Years To Avoid and Why? (Explained)

The Mazda 6 is a compact automobile that delivers good performance and fuel economy. It has a fashionable, opulent appearance on the outside.

There are a few years to avoid, aside from its huge popularity. Customers have expressed their dissatisfaction with three specific model years. Engine stalling and melted dashboard are just a few of the frequent worries, in addition to early transmission problems.

This midsize sedan is a great investment, but you must know which models to avoid and which ones are safe bets. And I’ll tell you which years to stay away from and which ones are safe to invest in.

Mazda 6 Years to Avoid (List of Years)

Mazda 6 has been produced in three generations. Mazda developed the first-generation Mazda 6 in 2003, and the third version will be sold through 2022.

Some of the years of Mazda 6 are not up to mark. There are some worst years you should know about when you think about buying a new or a secondhand Mazda 6.

Worst Years of Mazda 6:

According to carcomplaints.com some years, in particular, are the worst and receive the most complaints. These are the worst models:

  • 2004 Mazda 6
  • 2009 Mazda 6
  • 2010 Mazda 6
  • 2014 Mazda 6
  • 2016 Mazda 6

According to the auto complaints database, only in 2014 Mazda 6 owners registered 267 complaints. Some other years also have more than a hundred complains

According to carcomplaints.com, prior versions of the Mazda 6, such as the 2009 vehicles, experienced problems as well, with 450+ faults filed on various issues.

What Makes These Mazda 6 Years Worth Avoiding?

There are various models of the Mazda 6 that have issues. Several variables led to the reduction over the years, and these were gathered from different forums and complaint websites where business owners shared their problems.

I’m going to go through the most typical difficulties with each of these Mazda 6 years here.

2004 Mazda 6 Problems:

Engine failure is the Mazda 6’s most serious issue, with the 2004 model having the greatest rate of failure. Some owners say the exhaust system is overly tight or poorly built.

 Mechanics, on the other hand, haven’t been able to pinpoint a single reason for engine failure. The average mileage at which an engine fails is 98,000 miles.

One of the customers stated that his 2004 Mazda6 cranked up and then shut down. You can’t even try to start the car with your foot on the gas pedal.

2009 Mazda 6 Problems:

Engine failure is the 2009 Mazda 6’s greatest fault. According to Car Complaints, the 2009 model has the highest rate of engine malfunctioning. The average mileage at which an engine fails is 111,000 miles.

The 2009 model year has a few teething pains too. Most notably a gleaming, melting dashboard that can cause the driver to go blind. Electrical and computer problems are also ongoing with this model.

2010 Mazda 6 Problems:

There have been 369 complaints regarding the 2010 Mazda 6. Their key issue is visible for the sake of illumination. According to the NHTSA, 21 complaints have been filed only for light issues.

The front sub-frame of the 2010 Mazda 6 was recalled owing to the use of inexpensive materials. However, the rear sub-frame was never recalled. The back become rusted out, and all of the bolts also rusted out as well. For replacement, you need about $5,000

In terms of transmission issues, 2010 is no different. It is evident from the average of 52,100 miles that there is a problem. According to the owners, the transmission would fail without notice.

When you accelerate, the gears slide. Consumers voiced their dissatisfaction with the fact that the car had been well-maintained yet still had a major issue. About $3500 was spent on the repair.

This model has also been blamed for premature brake wear.

2014 Mazda 6 Problems:

A transmission problem is the most typical complaint with the 2014 Mazda 6. It happened at low miles as well. Transmission failures occurred at a rate of 51,000 miles per year on average in 2014.

Transmission sliding, slow shifting, and harsh shifting were complained about by owners. When shifting gears, it can also create vibration or jolting.

The majority of owners, with an average mileage of 97000 miles, had to replace the transmission. In addition, the cost of restoration is over $5550

Among the other difficulties with this car are issues with engine failure. Some owners say the exhaust system is excessively tight or poorly built. Owners also claim they heard a banging before the breakdown, while others claim it happened suddenly.

This model also has interior accessories problems, turbocharger failure, and electrical problems, among others.

2016 Mazda 6 Problems:

Carcomplaints.com has received over 100 complaints about the 2016 Mazda 6. The transmission issue is the most concerning.

When shifting gears, one user said that it caused shaking or jolting. When you come to a complete stop while driving and then try to accelerate, the car will hesitate for a little while, jolt forward, and then accelerate until you reach 30-40 mph.

Owners have complained of transmission slipping. Customers have also complained about jerky and delayed shifting. The majority of owners had to replace the gearbox.

The going out of window motor was also a source of complaint from consumers. There is no going back if the window motor fails.

It is the most common occurrence. The window will not open or close. This is a portion that should not be exposed to the elements regularly.

Which Mazda 6 Years are Safe to Buy?

I must mention that Mazda 6 has paid close attention to customer problems and has responded with a new upgrade.

The third generation’s final sedans are performing admirably. According to carcomplaints.com, there are no consumer complaints concerning the 2019 and 2020 Mazda 6.


After reading this essay, I hope you have a better understanding of the Mazda 6’s greatest and worst years. Several automobile review websites have given the sedan really good review, indicating that it is a stylish vehicle.

The key to extending the life of your Mazda 6 is routine maintenance. Purchase just the safest model years, but conduct your own research and get all key information verified by a skilled technician.

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