Are Pontiac G6 Good on GAS? – Pros and Cons Explained

The engine of a car runs on specific fuel. The fuel type and quality determine a car’s efficiency and productivity. There are cars with engines of diesel, electricity, and gas. This cars come with gas-based engines. Gasoline has different capacities and features. So, is a Pontiac G6 good on gas?

Pontiac G6 gas mileage varies. While some models offer decent city and highway MPG, like the 2006 4-cylinder, others, such as the 2008 3.9L, have lower fuel efficiency. So, whether Pontiac G6s are good on gas depends on the specific model.

I have put the analysis by comprehensive evaluation of the pros and cons of gas-based Pontiac G6. Besides, there are brief discussions on gas types, MPG, fuel capacity, engine temperature, and basic issues.  

Are Pontiac G6 Good on GAS?

Pontiac G6 cars on gas have comparative advantages with attractive benefits. But some drawbacks cannot be ignored. The following discussions will help you have a clearer perception.

Are Pontiac G6 good on gas

Let’s look at the Gas MPG of Pontiac G6 across years from the below chart.

Pontiac G6 YearsGas MPG @ CityGas MPG @ HighwayGas MPG Combined (City+Highway)
2006 Pontiac G6 4 cyl, 2.4 L, Automatic 4-spd213124
2006 Pontiac G6 6 cyl, 3.5 L, Automatic (S4)192621
2006 Pontiac G6 GT/GTP Convertible 6 cyl, 3.5 L, Automatic (S4)172520
2008 Pontiac G6 3.9 L, 6 cyl, Automatic (S4), Regular Gasoline152218
2009 Pontiac G8 6.2 L, 8 cyl, Manual 6-spd, Regular Gasoline132015
2008 Pontiac Grand Prix 5.3 L, 8 cyl, Automatic (S4), Premium Gasolinev162519
2010 Pontiac G6 3.6 L, 6 cyl, Automatic (S4), Regular Gasoline152218
2010 Pontiac G6 3.6 L, 6 cyl, Automatic (S6), Regular Gasoline172620
Pontiac G6 Gas MPG

Advantages of GAS

Less fuel expenditure: The cost of a gas-based Pontiac G6 is comparatively less than that of diesel-based cars. Gas rates are still in an affordable range in almost all countries of the world. Therefore, the biggest advantage is cost efficiency. 

Fuel efficiency: The productive use of fuel of the Pontiac G6 car is comparatively better. The engines of the models of different years went through modifications to ensure the highest use of the gas reducing fuel wastage. Therefore, fuel efficiency can be taken as another big advantage.

High power: The gasoline engines of different models of Pontiac G6 cars can generate high levels of horsepower. This higher rate of horsepower help raises the regular speed. The horsepower can reach up to 250. 

Quick start and acceleration: Another notable advantage is the capacity for quick functioning. Pontiac G6 gasoline-based car can be started relatively fast and you can also enjoy smooth and quick acceleration.

Comparatively less noisy with low vibrant: Being run on gas, this car produces less noise from its engine. The vibration level is also low. On the other hand, diesel engines generate loud noise that can be very irritating. Hence, Pontiac G6 on gas with little noise or vibration makes the drive comfortable.

Compatible with cold weather: For having a gas engine, the engine of the car deals with cold weather. The car gets internally balanced to cope with the low temperature. This makes it a good one for harsh situations.

Fewer maintenance costs: As Pontiac G6 car does not run on heavy fuel like diesel which can create problems like rust on the body of the engine, the gasoline engine of the Pontiac G6 gives long-lasting simultaneous service. So, the maintenance cost less than many other brands of different engines.

Easily refillable: Gasoline filling station is quite available in the city. Therefore, you will not have to worry about a quick fuel refill. So, this benefit increases the productivity of this particular brand of car.

Less polluting: As everything is interconnected with the environment, the impact of the Pontiac G6 and its engine on the environment is an important issue. This car has a natural advantage. Its gas engine emits fewer pollutants.

Disadvantages of GAS

Low compression rate: The lack of proper compression rate is a big issue about the Pontiac G6 car on gas.  Due to low compression, the performance of the engine may decline.  This puts an impact on the overall performance of the car.

Fuel capacity: As gas engines are supposed to have precise and different, Pontiac G6 car have comparatively less fuel capacity than that a diesel-fuelled car. 

Less longevity of the engine: One of the main disadvantages of gas based G6 car is the longevity of its engine. It is not structured as firmly as we can see in the car running on diesel. Therefore, the engine of the car may not give you the durable benefit you expect.

Comparatively less mileage: If we compare Pontiac on gas with a car that runs on diesel, the mileage coverage can be identified as a disadvantage. Pontiac G6 car with light combustion of fuel has limitations in reaching longer mileage. 

Risk of leakage and contamination: In comparison to the other types of engines, the gas-oriented Pontiac G6 car has a greater risk of loss of leakage and contamination. A little flaw in the engine may cost a lot of fuel loss and add to the total expenditure. The malfunction in the combustion system may create engine failure.

Decreased resale value: Generally, the resale market value of a car with a gasoline engine is comparatively low. So, the price of a Pontiac G6 car will fall when you resale it. This is another major disadvantage of this car.

Frequently Asked Questions


The article “Are Pontiac G6 good on gas?” focuses on the fueling status of the Pontiac G6 cars. The two types of gases used in various engine categories of Pontiac G6. There are some quarries about the power and process of gas as a fuel. This research will remove confusion and increase positive perception.

This in-depth evaluation and representation of the information regarding the gas-fuelled Pontiac G6. The data has been collected from authentic sources after proper research. The main purpose of this intensive research is to make your Pontiac G6 experience more favorable and hassle-free.


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