I changed my Engine oil this weekend after 2800 miles and it used one Quart of oil. I Have used Quaker State Synthetic Oil 5W30 for years. Have had Pontiac Gran Prix GTP 3.8L and also have had a Tundra 4.7L brand new and used this oil with no useage between oil change's EVER. Now I own a Impala SS and this happens is this the norm!!!!.