I agree with the Mobil 1 High Mileage oil. My '02 Saturn SL1 (SOHC) 122,000 mi used 1 quart every 1,000-1,200 miles with Mobil 1 5w50 regular.
When I switched to Mobil 1 5w30 High Mileage, oil consumption greatly improved, and now the car is using 1 quart every 3,000 miles.
I'm sold on the stuff.