Testosterone: The New Synthetic Oil

[goliath1812]

Originally Posted by Golddeenoh

^ yea you still need to change it at regular intervals, the oil its self doesn't break down but the additives do. Driving conditions for everyone except interstate only trucks are considered sever driving conditions and need to be changed at the lower end of the change bracket. only BMW and Mercedes make oil that goes for higher mileage(20k) but they have $600 oil changes.

You're saying that even with synthetic oil, Yaris changes are still required every 5,000 miles? I'm not doing that, my last change was with over 7,000 miles on the oil, and I had plenty of additive left. I definitely wouldn't be trying to go 7,000 miles on dino oil without a change.