2006 Pontiac G6 Engine Oil Capacity

Your 2006 Pontiac G6 engine oil capacity is either five or four quarts, depending on whats under the hood. This helpful guide explains how to change your oil and more.
Written by John Davis
Reviewed by Melanie Reiff
From its sporty suspension to the surprisingly large back seat, there’s a lot to love about the G6. To ensure that your Pontiac remains in good condition, you need to know your 2006 G6 oil capacity, which is either five quarts or 4 quarts, depending on the engine you have.
Owning a car doesn’t come without a fair amount of expenses. Between fuel, regular
car maintenance
, and insurance costs, your vehicle might feel like a money drain. You can reduce the amount you spend on maintenance by changing your own oil—but remember to check the oil capacity and type in your owner’s manual first.
When it comes to your 2006 Pontiac G6 oil capacity,
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2006 Pontiac G6 engine oil capacity

The 2006 Pontiac G6 base model has a 2.4-liter four-cylinder engine with an oil capacity of five quarts or 4.7 liters of oil. There are two other trims available with a 3.5L engine and a 3.9L engine. For the both these trims, the oil capacity is 4 quarts, or 3.8 liters.
Before we go any further, it’s important to note the difference between
engine displacement
—the 2.4-liter volume the pistons occupy in your car—and the engine’s oil capacity, which is the amount of oil it holds to use as a lubricant. 
Engine oil capacity and displacement are not the same and are never interchangeable. 

What kind of oil does a 2006 Pontiac G6 need?

When it comes time to change your oil, you need to ensure that you buy the right type. Yes, you read that right; not all motor oil is the same, and you can’t just buy the first five quarts you find. 
Your 2006 Pontiac G6 needs SAE 5W-30 motor oil. That’s what Pontiac recommends using in your G6, and you can’t go wrong with the manufacturer’s recommendation.
Wondering what that combination of letters and numbers means? The “SAE” stands for Society of Automotive Engineers, which is the organization responsible for writing these engine oil codes.
The number “5” represents the oil’s viscosity or thickness at cold temperatures—that’s why it’s positioned before the “W,” which stands for winter. Finally, the “30” represents the oil’s viscosity at higher temperatures.
When you put these numbers together, you get 5W-30. This well-balanced oil performs well at both hot and cold temperatures. It also remains thin enough to move smoothly through your engine, keeping all the parts lubricated. 
You can use either a synthetic blend or full synthetic motor oil in your 2006 Pontiac G6 as long as it meets the requirements for your car. You might choose synthetic motor oil because it will allow you to wait longer between oil changes.

How often to change the oil on a 2006 Pontiac G6

Pontiac recommends changing the oil in your G6 every 7,500 miles.
If you don’t drive often
, it might be more helpful to remember to change your oil every six months.
Since that’s a pretty extensive time range, you should always remember to
check your oil
periodically in between changes. Try to check your oil every other time you fill the gas tank, or at least once per month
When you check your oil, look for these signs that it needs to be changed:
  • Thick dark brown or black oil (clean oil is a light brown or amber color)
  • Oil with a gritty or grimy texture
  • Strange noises from the engine bay
  • A decrease in engine performance
  • Foul smells from the engine, like oil, burning, or smoke

How to change your oil and oil filter

Once you have the right type of oil and a new oil filter, you’re ready to begin
changing the oil
. The tools you’ll need are:
  • A ratchet wrench and 15-millimeter socket
  • A drain pan for the used oil
  • A jack and jack stands or ramps to raise the vehicle
  • An oil filter wrench
  • A funnel for new oil
  • A torque wrench
  • A clean towel or rag
Your car’s oil will drain better if the engine is warm. We recommend running the car for five minutes before you begin. Once the engine is warm, turn off the car, open the hood, and follow the steps below. 
Step 1: Remove the oil fill cap and dipstick.
Step 2: Go underneath the car and remove the oil drain plug. Position your drain pan to catch the old oil and avoid a big mess. 
Step 3: While waiting for the oil to drain, unscrew and remove the old oil filter
Step 4: Use your finger to apply a thin layer of clean oil to the new filter’s gasket, then screw it into place. Ensure the filter is snug but don’t screw it on too tight. 
Step 5: Replace the oil drain plug and tighten it to 29 lb-ft.
Step 6: Use your funnel to fill the car with clean oil and replace the fill cap.
After changing your oil, it’s a good idea to turn on your car and let your engine run for about 30 seconds before you check the oil level. This will give you a more accurate measurement, and you’ll be able to top it off if necessary. Before closing the hood, ensure the fill cap and dipstick are secure.
Don’t forget to recycle your old oil. (Dumping oil on the ground or in the trash is actually illegal!) You can store it in the container your new oil came in and return it to the auto parts store for proper disposal. 

Don’t forget regular insurance policy maintenance

Changing your car’s oil is a fundamental form of maintenance that’s pretty easy to do yourself. But what else can you do to take care of your car? 
One of the most important things you can do as a car owner is to purchase a quality insurance plan.
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