Most GM products it is on the drivers side at the rear of the oil pan.
How many quarts of oil does my 07 Pontiac G6 hold
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4qts
2.4 l, 5qts
4.5 Quarts
The oil filter for a 2007 G6 is at the front corner of the engine. It is located inside of the oil filter case.
There is no drain cock on the '07 G6 GT. The easiest way to drain is from the water pump connection at the bottom passenger side of the radiator.
The Pontiac 2005 G6 GT that I have uses 5 quarts of oil. It is most economical/easier to purchase a 5 quart container.
5w-30 oil is what you want in your favorite brand.