Pontiac G6 Years to Avoid – Drawback of These Two Models

Pontiac G6 cars were produced and modified multiple times for coping with the trends of the market. General Motors installed and reintroduced different parts in the editions from 2005 to 2010 to ensure profitability. But the models all the years could not maintain the same quality. Different drawbacks caused the buyers to avoid some Pontiac G6 years.

The 2005 and 2006 Pontiac G6 are the worst model years due to low reliability and safety ratings. They have numerous recalls, complaints, and common issues like transmission and steering problems. Although the 2007-2008 models show some improvements, they still have below-average reliability scores and high repair costs.

I have put my best effort to find out the most authentic information and facts about this particular topic. If you go through this article, you will be able to know some in-depth ideas about these two years of Pontiac G6. 

Pontiac G6 Years to Avoid: Know the Valid Reason

Have a look at the issues that make me select two specific Pontiac G6 model years to be avoided:

Pontiac G6 years to avoid

2005 – 2006 Pontiac G6

Read the table showing the factors that make the 2005 and 2006 Pontiac G6 the worst models.

Factors2005 Pontiac G62006 Pontiac G6
FIXD Rating3/101/10
Owner Reliability Score7/108/10
Safety Rating4.2/54.6/5
Repair Cost$250/year$536/year

The 2005 and 2006 Pontiac G6 are the worst years because they have low reliability and safety ratings compared to other years of this car.

For the 2006 model, the FIXD Reliability Score is 1 out of 10, and for the 2005 model, it’s 3 out of 10. People who own the 2005 G6 give it a 7 out of 10 for reliability, while those with the 2006 model rate it 8 out of 10.

The safety rating for the 2005 G6 is 4.2 out of 5 stars, which is below average. But for 2006, it’s better at 4.6 out of 5 stars, which is even better than what the 2006 Ford Fusion got.

Fixing these older cars doesn’t cost too much. It’s about $250 per year for the 2005 G6 and $536 for the 2006 G6. On average, the 2005 G6 has 150,000 miles, while the 2006 G6 has 13,143 miles.

In the 2005 G6, the most common problem is code P0102, which might mean there’s an issue with the airflow. Fixing it could involve changing the air filter, fixing the sensor, or replacing the catalytic converter. Another common issue is code P0742, related to the automatic transmission.

For the 2006 G6, the most common issue is code P0128, which could mean there’s a problem with the engine’s thermostat. Another common problem is code P0401, related to the exhaust system.

The 2005 Pontiac G6 has six recalls and four investigations. There are 670 complaints, with 452 of them about steering issues. The 2006 Pontiac G6 has seven recalls, four investigations, and a whopping 1,877 complaints, with 1,193 of them about steering.

2007 – 2008 Pontiac G6 

Find the below table showing why 2007 and 2008 Pontiac G6 are the “best of the worst” models.

Factors2007 Pontiac G62008 Pontiac G6
FIXD Rating3/103/10
Owner Reliability Score9/107/10
Safety Rating4.6/54.8/5
Repair Cost$694/year$550/year

The Pontiac G6 are 2007-2008 years brought a new GTP version with more power and added standard side airbags and antilock brakes.

For the 2007-2008 G6, the FIXD Reliability Score is 3 out of 10. Owners rated the 2008 model 7 out of 10 and the 2007 impressively at 9 out of 10.

The NHTSA safety ratings for 2007 and 2008 are good, with 4.6 out of 5 and 4.8 out of 5 respectively. This matches the 2007-08 Toyota Camry.

Both 2007 and 2008 models cost more than the average of $516 yearly for repairs. The 2007 G6 averages $694 annually, and the 2008 G6 $550. The 2007 models still running have around 163,889 miles, while the 2008 models have about 133,333 miles.

The most common issue for the 2007 G6 and the second most common for 2008 is P0420, often meaning a bad catalytic converter. Another frequent issue for 2007 is P0300, which could mean a problem with the throttle body. The third most common code for both years is P0171, which might need replacing the MAF sensor. In 2008, the top issue is P0128, which could mean a problem with the engine’s thermostat.

The 2007 Pontiac G6 has five recalls, three investigations, and 1,204 complaints. The 2008 G6 has five recalls, two investigations, and 1,058 complaints, with almost half related to steering issues.

Pontiac G6 Reliability and Common Problems:

The justification of the quality and reliability of Pontiac G6 model years rely on the coordinating analysis of the benefits and problems. Different models come with special safety and reliable features. Besides, individual models have some problematic issues. Let’s have an overview of reliability and flaws.

Pontiac G6 Reliability: 

To judge the level of reliability, I have picked some significant and beneficial facts about Pontiac G6. The things which can make Pontiac reliable are given below.

The stability of engine and mileage coverage:

All Pontiac G6 models come with a standard 4-cylinder which gives simultaneous service and average horsepower from 170 to more than 240. The engines of various models have sporty features. The power distribution is stable and safe. 

Transmission system:

Pontiac G6 also provides automatic and manual speed transmission systems which contribute to the reliability of different models. The dual transmission facility helps the driver to have better control over the gearbox and speed. 

The safety benefits:

  • One of the most attractive safety features of the Pontiac G6 is the anti-lock brake. When a hard brake ceases the tires, this system will modify the brake to move the tire and take the car to a secured position. 
  • As cars always have some possibilities to face sudden collisions or crushes, Pontiac G6 has airbags at the front, side, and above to save the rider from serious injuries.
  • There is also a seatbelt manipulation system that helps tighten the seatbelts if the sensor system can detect any possible accident or collapse.
  • Advanced technology is used in the keyhole of the different models. Therefore, the car will prevent the engine to start if it can sense a duplicate key.

Pontiac G6 Common Problems:

Problematic head and brake lights:

A common problem reported about Pontiac G6 is the improper functionality of head and brake lights. Sometimes, the lights fail to ignite. This problem is mainly seen in the model years 2008 and 2009.

Faulty power steering:

A sudden malfunction of the power steering system is also marked by several customers. Failing to maintain the steering may lead to a crash or collision. From the year 2005 to 2007, faults in the power steering had been identified by many Pontiac users.

Door locks issue:

Sometimes, the door locks of different Pontiac G6 models don’t work properly which creates unexpected troubles. Many of the 2009 Pontiac G6 users reported this issue.

Problem with Catalytic converter:

There is another problem with Pontiac G6 which is the improper functionality of the catalytic converter. This part related to exhaust management shows a sudden lack of support. The problem is found acute in the 2007 model but also reported by the consumers of 2006 and 2008 Pontiac G6. 

Faults in transmission shift cable:

Many customers exposed an issue with the quality of transmission cable. They are also reported to be fractured and poorly structured. 2006 and 2008 Pontiac G6 are reported most for this problem.

Unusual noise when turning:

The issue of irritating sounds from the steering sector is a big flaw. This is mainly found in power steering. Drivers could hear the unusual sound of grinding when they try to steer the cars. This problem is most visible in the 2008 model but also found in the 2007 and 2006 Pontiac G6.

Improper working of the Vanity Mirror Hinge:

Many owners of the 2006 Pontiac G6 model complained that the hinges of the vanity mirror are not durable enough. The hinges are reported to break very early.

VVT Solenoid Failure:

It is a common problem in the Pontiac G6 models from 2005-2010. The use of improper oil may create obstacles against variable valve timing. This ultimately results in a rough ride, problems with the check engine light, and poor engine performance. The only solution is to replace it.

Electrical Issue:

From 2005 to 2010 Pontiac G6 models of electrical issues related to power steering and BCM connector. Hence, users face a lack of control over electric power steering, dash lights, and tail light. The malfunctioning of these lights creates discomfort. 

Front Hub Bearings:

Pontiac G6 models are complained to have problems in the front hub bearing. The random consumers of model years 2005 to 10 faced poor quality in this part. Therefore, the turn or move of the front wheel creates a loud-irritating sound.

Turn Signal Switch:

For all the models of Pontiac G6, the turn signal switch is traced to work improperly. Therefore, the light does not engage as needed. This can be solved by replacing the turn signal stalk.

Oil Leak from Front Crankshaft Seal:

Oil leakage from the crankshaft seal can lead to major damage to the engine. This problem is also found in Pontiac G6 cars. The issue is traced to the Pontiac model year of 2007.

Contamination of Extended Life Coolant:

Users of the 2009 Pontiac G6 marked a problem that the extended life coolant gets contaminated. This contamination results in rust in the body of the engine which hampers its durability. Therefore, the engine has the possibility of getting overheated.


In the article “Pontiac G6 years to avoid” I have selected the 2006 and 2008 Pontiac G6 years as these two models have some negative features and issues. The problems in these models are comparatively more acute than in the other model years. 

If you prefer any Pontiac G6 edition and want to make your purchase fruitful, proper knowledge about the functionality and capacity of the engine is important. I have described all the flaws specifically so that you may face no hesitation in taking your decision. 

Therefore, let us know how beneficial this article has been. Our team works to find out and present the best data for you. Make your purchase and selection safer and more perfect through us.


Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *