I am 56 years old and have owned 21 new cars. None of them burned oil at any appreciable rate until 2004 when I bought a 2005 Chrysler Town & Country minivan with the 3.8L engine.
Right off the bat the darned thing would burn over two quarts of oil between the 4000 mile changes. As an aside I use full synthetic oil so I pushed this auto to 4000 miles changes. Anyway, two different dealers told me flat out that was normal and my original dealer even did a compression check for me (they were the best dealer from which I had purchased a car). I now have 108,000 miles and it still burns that oil but runs great.
I had a 90 Chrysler/Plymouth Minivan. Loaded to the gills - wife wanted it. It had four transmissions in it even before it hit the no-warranty mark. It was so bad I got a letter from the manufacturer saying that the transmission was guaranteed for life - full replacement parts and labor.
I heard tell that they made some kind of transmission design change after 89 and the 90 was a disaster. Never got official word on it.
I bought a 2001 Chrysler 300m new that did the same thing. I went 7k miles between changes. I never had to add oil between changes and finally traded it in at 185k miles. Car ran great the whole time but the AC went out and it got sideswiped by a deer (wiped out most of the side of the car) four days after we cancelled our comprehensive.
And you absolutely need AC where we live. But due to the damage it just wasn’t worth soaking all that money into the AC.
Something wrong with the oil control ring (lowest ), which has little to do with compression test pressures?
How do you have 21 new cars and manage to accumulate 108,000 on any of them?
I have owned one used and three new trucks in the last 46 years, I still have three of them (dumb). Add to that two used and two new cars for my wife for a total of three used and 5 new vehicles... eight all together in 46 years of driving. We usually drive a car well over 100,000 miles. My truck now has over 135,000 and is set to go another 100,000 at least. We are driving less now, I think a lot less but my fuel bill does not show it.
My brother, on the other hand, changes cars like shirts.
It really does not take much to lose oil (burn oil, same thing). May be a bad piston ring or valve seal is all it takes.
More likely than not I’d consider that it’s leaking the oil rather than burning it, if it was burning it would probably have roached the catalytic converter by now or carboned up the heads.