My first oil change will be coming up as soon as I can get someone to do it. (I was injured at a fire call and can't do it myself) I will be using Mobile 1 so we will see what happens.

As a side note, my wife has taken over as primary driver since my accident, and her driving style does hurt the mileage a bit. She does not use cruise control and has a hard time keeping a steady speed. Still, I expect mileage to be at about 30 for this tank.