Engine oil Mobil or OEM Subaru

Mobil Engine oil
nu9u
  • Engine noise:
Rating 4.5

Mobil1 15w-50 (red label) was always good to me, and readily available at wally world. Never had lifter tick in my S50US, on track or otherwise, and it went to 298k before the head gasket gave up. Absolutely could have resealed the engine and ran it another 100k+ (swapped an S54 instead).

Pros: always good, readily available
Cons: head gasket gave up
Vehicle: BMW
Mileage: 298000 km
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Mobil Engine oil

I mostly use the 0W-40 full synthetic Mobil 1 "European" or w/e they call it. I change my oil every 5K miles, including filter (Mann).

Pros: full synthetic
Vehicle: Volkswagen
Mileage: 5000 km
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OEM Subaru Engine oil

Well, some manufacturers do have way shorter oil change intervals than Euro manufacturers. The Subaru severe driving interval is 3000miles/6 months, and I do lots of short trips in a desert climate so I usually try to be around 3-4000 to stay on the safe side for warranty and whatnot.

Vehicle: Subaru
Mileage: 4828 km
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Mobil Engine oil
mrhandy_-
  • Warning light:
  • Engine noise:
Rating 5.0

I was running Mobil 1 for many years in my 14 ST3 and started with Mobil 1 in my now 16 ST3 but this year I swapped to Walmart brand full synthetic and haven't had a single issue except for extra cash in my wallet. It meets all the specs and I change it every 5 thousand miles regardless of how the car is driven. I'm at 86 k now on the odometer and she still pulls string like the day I picked her up.

Pros: extra cash in my wallet
Cons: none
Mileage: 138400 km
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Mobil Engine oil

I just did the chains + headgasket and a bunch of other misc stuff on my Corrado earlier this year. My guides were worn pretty bad and it only had 120k on the clock.

Cons: guides were worn
Mileage: 120000 km
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