Don't forget Audi.......Of course every major manufacturer would consider this amount normal and do nothing for you.....
Cleansump-try this call your local service department at Ford, GM, Jeep, etc., Dealerships and say you have a late model (insert vehicle here) "drinking" a quart of oil every 3,000 miles and get back to us as to what they tell you.
We had 1 that would drink 1 quart every 400kms.......KMS