I don't know why, I change every 3k miles and usually use Mobil 1 0W-40:
https://mobiloil.com/en/motor-oils/mobil-1/mobil-1
But I don't always write the mileage down and have a terrible memory, so maybe it's more like 500 miles sometimes.
This time I bought 5W-30 annual protection just cause it cost more, I guess:
https://mobiloil.com/en/motor-oils/mobil-1/mobil-1-annual-protection
I was thinking of buying the 0W-40 long and hard, but decided to go 5W-30
Sometimes I think changing the motor oil more often cleans the engine. Of course I'm not sure that it does.
It's also pretty "dirty" at 3K miles, whatever that means
I did a 5k miles oil change in my Camry (longest interval I can recall ever on any car I've had) recently and it was pretty dark, like Saab 3k dark. That was with Mobil 1 -- 0W-20 annual protection.
Sometimes you do so little on a Camry you forget to maintain it. It's like the opposite of a Saab.
Also figuring out what parts (oils, motor oil, whatever maintenance parts) you need for a Camry is as easy as ****.
My Saab want me to change the side lights on it and I'm like WTF, how do I do that?! Used to piss me off bad on my old Saab and now it's just kind of funny, but still pissed me off a little :lol:
Took it to car wash for like 2 months this year; lights stopped working. Tail light lens fell off. Key's goofy, trunk randomly opens.
I would change the ATF fluid again, but I have no good/easy way to check the fluid level.
Thinking of getting 06-09 -- 9-5 wagon, but you need the patience of a saint with these vehicles. Just figuring out which oil to buy is nutty.
Make sure you buy one that was mostly driven by some one who drives slow and maintained it ;ol;
Don't buy one from a kid who put extra small tires on the front wheels and tells you to floor it during the test drive.
Don't buy one at the airport when the car is already warm and the guy clearly doesn't want you to know where he lives.