You need to specify which engine it has - there was more than one option available for the Cobalt.
5 quarts
A 2008 Chevrolet Cobalt typically requires around 4-5 quarts of oil for an oil change. It's always best to consult the owner's manual or a certified technician for the most accurate information on your specific vehicle.
Usually around 4.8 to 5 quarts with an Ecotec engine
5 quarts. It's in the manual.
20006 quarts a nd two tacos from jack in the box 4 quarts of oil
15 mm
how many quarts of oil does a 2009 Chevy cobalt need with a 2.o engine?
5 Quarts 5W30
The 2008 Chevy Cobalt typically uses SAE 5W-30 motor oil, but you should check the owner's manual for specific recommendations based on your driving conditions. As for the oil filter, a common choice is the AC Delco PF457G or equivalent. Always verify the specifications to ensure compatibility, especially if you are using different brands or types of oil and filters.
It takes 6.9 qts of oil.
10 - 10.5 qts
6 - 6.5 qts I don't know who said this much oil, but I own a 2005 Chevy Cobalt and it holds 5 qts. If you put as much oil as the first answer . . . somebody's gonna do some damage.