How man quarts of oil does a 2007 Hummer H3 use?

I want to change my oil but for the life of me i cant find how many quarts it uses. I know its 5w 30. It has a 3.7L engine.|||Engine, with filter..........6.1 quarts. http://www.amsoil.com/mygarage/ProductRe鈥?/a> just copy and paste and scoll down to CAPACITIES: