Hello! Here is the report for my truck. Its a '03 GMC SIerra 1500HD 6.0L. The truck gets used mainly as "the family truck", it hauls and tows, plus many normal trips the auto parts store and hardware store on the weekends. The bad thing is it just doesnt get driven a lot. I have only averaged about 5k a year on the truck. So I have been changing the oil once a year.... Here is what my report looks like for the latest oil change: