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"0w-20" vs "5-w20" vs "0w-20 high mileage"

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by kenlav, Aug 10, 2024 at 2:27 PM.

  1. kenlav

    kenlav New Member

    Joined:
    Sep 11, 2023
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    Vehicle:
    2006 Prius
    Model:
    Touring
    From what i understand, is 0w-20 is THINNER than 0w-20 high mileage, and 0w-20 is THINNER than 5w-20.

    Keeping in mind that I have an oil consumption problem im currently working on, about 1quart per 800-1000 miles. Which is thicker/better, and whats the difference between 0w-20 and 5-w20?

    My ultimate question is which to use, because of it doesnt matter, then im just going to buy whichever is cheapest/on sale at the time.... right?
     
    #1 kenlav, Aug 10, 2024 at 2:27 PM
  2. BiomedO1

    BiomedO1 Senior Member

    Joined:
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    Location:
    SacTown, Ca
    Vehicle:
    2021 Prius Prime
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    LE
    Isn't a 2006 Prius suppose to take 5W30 oil?

    To answer your questions 0w20 is thinner than 5w20, when cold. They both are suppose to shift to 20 weight when hot. The 0w20 high mileage is supposed to meet uniform specifications but individualized testing seems to indicate that it's slightly thicker and has more wear prevention additives in it.

    Hope this helps.....
     
    #2 BiomedO1, Aug 10, 2024 at 4:02 PM
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