Gmc Sierra Years To Avoid

Jefferey Meyers
3 min readJun 29, 2024

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The GMC Sierra is a popular truck known for its durability and performance. However, there are certain years of the GMC Sierra that you may want to avoid due to recurring problems. When considering a GMC Sierra, it is important to be aware of these years to make an informed decision. Some of the most common problems associated with specific years include:

  • 2014: Excessive oil consumption
  • 2015: Transmission issues
  • 2016: Electrical system malfunctions
  • 2017: Brake problems
  • 2018: Airbag sensor failures

Knowing which years to avoid and being aware of the common problems can help you choose a GMC Sierra that will provide a reliable and enjoyable driving experience.

2014: Excessive Oil Consumption

The 2014 GMC Sierra has been associated with a problem of excessive oil consumption. Some owners have reported that their vehicles consume more oil than normal, which can lead to engine performance issues and potential damage if not addressed promptly. Regular monitoring of oil levels and scheduling frequent oil changes are recommended to mitigate this problem.

2015: Transmission Issues

In the year 2015, the GMC Sierra faced transmission issues. Owners have reported problems such as rough shifting, slipping gears, and delayed engagement. These transmission problems can impact the overall driving experience, resulting in reduced performance and potential safety concerns. It is advisable to have a qualified mechanic inspect the transmission thoroughly before purchasing a 2015 GMC Sierra.

2016: Electrical System Malfunctions

For the 2016 model year, the GMC Sierra was plagued by electrical system malfunctions. This includes issues with various electrical components such as power windows, door locks, infotainment system, and dashboard gauges. These malfunctions can cause inconvenience and affect the overall functionality of the vehicle. It is important to check the electrical systems thoroughly and ensure any necessary repairs are carried out before considering a 2016 GMC Sierra.

2017: Brake Problems

The 2017 GMC Sierra experienced brake problems that have been reported by owners. Issues such as premature wear of brake pads, brake fluid leaks, and a soft or spongy brake pedal have been identified. Proper functioning brakes are crucial for safe driving, so it is essential to have the braking system thoroughly inspected and repaired if necessary before purchasing a 2017 GMC Sierra.

2018: Airbag Sensor Failures

In the year 2018, the GMC Sierra encountered airbag sensor failures. This problem can result in the airbag warning light illuminating on the dashboard and potentially compromising the effectiveness of the airbag system in the event of an accident. Safety should always be a top priority, so it is crucial to have the airbag system inspected and any faulty sensors replaced before considering a 2018 GMC Sierra.

Being aware of these troubled years and their associated problems can help potential buyers make informed decisions when considering a GMC Sierra. Thorough inspections by qualified technicians are recommended to identify and address any existing issues before purchasing a used vehicle from these specific model years.

Important Points to Know

  • The GMC Sierra is a popular truck known for its durability and performance.
  • Certain years of the GMC Sierra have recurring problems that should be avoided.
  • Being aware of the troubled years and common problems can help you make an informed decision when considering a GMC Sierra purchase.
  • Some of the most common problems include excessive oil consumption, transmission issues, electrical system malfunctions, brake problems, and airbag sensor failures.

Final Words

When considering a GMC Sierra, it is crucial to research and be aware of the troubled years and their associated problems. By knowing which years to avoid and understanding the common issues, you can take necessary precautions and make a more informed decision. Regular maintenance, thorough inspections, and addressing any existing problems are essential to ensure a reliable and enjoyable driving experience with a GMC Sierra. Remember to consult with qualified mechanics or experts in the field to assess the condition of the specific vehicle you are interested in. With careful consideration, you can find a GMC Sierra that meets your needs and provides a dependable performance on the road.

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