Did you catch a sample that you could then send off to get analyzed?
I should have said that I just had it changed, I didn't change it myself. It was the first oil change for the vehicle so it had factory break-in oil in it, so probably not much life left. I would like to test the Mobil 1 though after about 10K miles on the new oil.
Nice use of superfluous information to let everyone know you drive a luxury SUV. I can't find the right size oil plug wrench for my Maybach, so I just buy a new one every year.
I also have an '05 Sierra that I change the oil in twice a year- fall and spring which is usually about 5-6,000 miles. 5.3L V8 takes 6 quarts of fresh oil, but only 5 quarts drain out.
5.3L V8 - is that alot? Was if flaccid when you measured it at 5.3? I have no idea if that's impressive or not. And I won't spend any more time trying to read the tea leaves in your post for clues as to your affluence or use of consumer credit. Pretty much got the message you change your oil between 5,000 and 6,000 miles. Is a Maybach like Henweigh?
I think it depends on the car. My wife has a 2008 escape hybrid and the manual says to change the oil every 10,000 miles, which seems like a lot, maybe because of the hybrid. My daughter has a 99 taurus and that one gets changed every 3,000. I follow the oil life left computer if the vehicle has one. One thing is for sure the engines in new cars are much better than they were 20 years ago in terms of running clean.
One thing to keep in mind is that most of the automated change oil reminders do not/cannot analyze your oil. It can't even tell the difference between synthetic and traditional. Reminders like this are usually based on mileage and driving habits, not actual oil life. I would not rely on these.
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