Originally Posted By: awol350
02 Kia Sportage 87k using some oil about 1/2 quart every 1500 no visible oil leaks replaced pcv valve. Last oil change used Valvoline Maxlife 5w30. Next oil change thinking about using AUTO RX and Castrol High Mileage 5w30... Any suggestions?
Maxlife seems to help consumption better than anything I've tried, dramatically at times, so since you've tried it already, if that isn't doing it for you as far as oil goes your other option is thick, and the Castrol GTX HM is about as thick as it gets.