vs
Engine oil IDEMITSU or OEM Audi
Audi TTS from 2016 and depending on wether im driving comfortable to work in winter it can be 95-98c, pushing it hard in summer it goes up to 107-108c at times.
Pros: stable winter temperature
Cons: high summer temperature
Vehicle:
Audi TTS
My S3 seems to be at 222F all summer when commuting, I think it gets near 240F after a good autocross run
Pros: high temperature autocross
Vehicle:
Audi S3
I've been running Idemitsu oil in the XT and the wife's Crosstrek for the last four and five years and have been happy with it.
Pros: happy with it
Vehicle:
Subaru Forester
You’ll be fine, idemitsu is a bit of a rotary specialist when it comes to fluids
Vehicle:
Mazda
I think Idemitsu is the better option if you have access to it. Mostly because it was developed for the rotary engine.
Pros: developed for rotary engine
Cons: hard to find
Idemitsu to both, because it’s designed and tested on rotaries.
Pros: designed for rotaries
I use idemitsu rotary 20w50
I stick to Idemitsu. I have a Sohn adapter fitted, so it's 10-30 Idemitsu in the engine, twice a year and Idemitsu Premix in the Sohn adapter and in the fuel tank.
Pros: idemitsu in the engine
I don’t drive my car enough to hit any of the reasonable mileage points. I change my oil yearly, roughly around the time it gets inspected. Might be overkill (last year the car moved 2k miles, the year before was 2.4k), but I figure the $80-85 I pay is worth it. My wife’s Q7 will be getting its oil changed every 5k miles. It’s a 3.0T supercharged and they love to eat oil, I’d probably add half the oil back just to make it to 10k.
Pros: yearly change, peace of mind
Cons: overkill for low mileage
Vehicle:
Audi Q7
Mileage: 2000 km
I just change it every 3k as a maintenance think no one told me to. I'm just afraid of messing up my turbo if I waited to long.
Cons: fear of turbo damage
Vehicle:
Audi A4
Mileage: 3000 km
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