1st oil change ; At what miles ?

[RedRide]

Originally Posted by Yaris Hilton

Sustained highway driving is the best situation for long oil life, as long as the engine's not overheated. The most "severe" operating condition is short trip driving where the oil seldom if ever fully warms up.

Yes, frequent short trips are bad.

However, all things being equal, constant ,sustained high speed driving is harder on an engine than low speed driving.
I'm shure you can agree with that.

Also, you obviously agree that there are variables that should determine when to change oil.