I use Mobil1 full synthetic 0w-20 advance fuel economy oil. As long as you get oil that meets the manufactures's spec, you will be fine.
Best Engine oil for Toyota Prius
Pros: meets manufacturer's spec
Vehicle:
Toyota Prius
I use castrol magnatec beucase it has some kindof ionization tech where it sticks to metal surfaces to reduce start up wear which the prius is constanly starting/stopping.
Pros: reduce start up wear
Vehicle:
Toyota Prius
I've been using motuls hybrid oil that's specifically for hybrid cars on my gen 3 prius. Gave me +2mpg onto of what I do and "nicer" ride
Pros: nicer ride, +2mpg
Vehicle:
Toyota Prius
I found out that I have a really low level on the dipstick. Luckily I had a bit of Kixx 5w30 from another car lying around so I added a few cups which brought me over the minimum. Since then - no warnings!
Pros: no more warnings
Cons: low oil level
Vehicle:
Toyota Prius
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