vs
Engine oil IDEMITSU or OEM Audi
I do every 5k (2013 S4)
Pros: 5k intervals
Vehicle:
Audi S4
Mileage: 5000 km
Over here in Germany changing your oil every 3k miles in a normal A4 absolutely tanks your resale value. The only reason to do this frequent oil changes is to hide problems. Personally my car did 30 000km(~20k miles) until 91 000km and then every 15 000km(~10k miles). It's a diesel and almost all longish distance highway trips.
Pros: long intervals, good for diesel
Cons: low resale value
Vehicle:
Audi A4
Mileage: 30000 km
I do 5k/3 months. 3 months usually comes first.
Pros: 5k/3 months
Vehicle:
Audi S5
Mileage: 5000 km
In Canada Audi recommends oil changes ever 15,000km. I always do 10-12,000km because I do city driving. My buddy did every 25,000km on his Mercedes Benz and the thing lasted to 400,000km.
Pros: long engine life
Mileage: 10000 km
5-6k. It depends on how much you push the car. Hard acceleration and high revs will require more frequent oil changes.
Pros: 5-6k intervals
Vehicle:
Audi A3
Mileage: 5000 km
I don’t use the Mazda-branded version, but Idemitsu is my go-to oil in all of our Mazdas
Pros: go-to oil
Vehicle:
Mazda
I run the 5w-40 in my 2004 Audi A8 and both of my power strokes just because it's handy and the diesel grade oil is overall better than the other synthetic I was running in a 0w-40 weight.
Pros: diesel grade oil, better
Vehicle:
Audi A8
Idemitsu is the only premix and engine oil I’ll use ... you can order it for a good price from TREx performance out of NJ and he will ship
Pros: good price, easy to order
The oil was Idemitsu Synthetic 0W-20 with 12.5k miles on it. Once again, trace metals and flashpoint were within normal range. I also ordered a TBN to measure the amount of additive left and that showed there was still plenty of active additive remaining.
Pros: trace metals normal range
Vehicle:
Mazda 3
Mileage: 12500 km
2012 3.0tfsi turned out to be a mild hybrid as it burns 1l/5k km.
Cons: burns 1l/5k km
Vehicle:
Audi A7
Mileage: 5000 km
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