I bought a 2011 LT1 that I really enjoy having except for one concern. I had about 7400 mile on the car before the oil life monitor said I should change the oil. Well inside of the 7400 miles I had to add 2 quarts of oil to the car. Nne was at about 2800-3000 and another at about 5800-6000. I do not remember the exact mileage. When I took it in for the oil change It was close to needing another quart (I got the dealer to throw in the first year of service for free when I bought the car). I check my oil regularly even on new cars and that is the only reason I new it needed oil. So essentially it needed three quarts of oil in 7400 miles. This is very alarming to me and I am going to push the issue with the dealer this afternoon. The amazing thing to me is that the dealer a reputable one in a large southern city had not even heard of the DEXOS requirement for oil in these engines and had not even heard of DEXOS. I showed it to him in my manual so they put in the Mobil 1 5W-30. Otherwise they were going to put in Dino Mobil oil. Has anyone else experience these kind of oil consumption issues.