My 2001 CRV has about 94,000 miles on it. Of my stable, it is the runt. So, I sort of experiment with it sometimes. I've run Toyota 0W20, CQ store brand 5W20 syn, CQ 5W30 syn, and various mixes of Mobil 1 5W20 and 5W30. Basically, whatever I have on hand that isn't going in another vehicle soon...