1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Engine oil grade and replacement frequency

Discussion in 'Gen 4 Prius Main Forum' started by rahmani, Apr 29, 2021.

  1. rahmani

    rahmani Junior Member

    Joined:
    Dec 13, 2020
    7
    2
    0
    Location:
    Bangladesh
    Vehicle:
    2016 Prius
    Model:
    Base
    What would be the best engine oil grade for Prius 2016?
    What would be the ideal frequency to change engine oil?
     
    #1 rahmani, Apr 29, 2021
  2. jdenenberg

    jdenenberg EE Professor

    Joined:
    Nov 21, 2005
    3,871
    1,871
    1
    Location:
    Trumbull, CT
    Vehicle:
    2020 Prius
    Model:
    LE AWD-e
    The owner's manual says:
    • 0w-20 (but you live in a hot climate so 5w-30 may be more appropriate)
    • 10k miles (16k km) or one year with full synthetic oil (if using non-synthetic oil I would say 5k miles (8k km) or 6 months)
    JeffD
     
    #2 jdenenberg, Apr 29, 2021
    Doug McC, amos, rahmani and 1 other person like this.
  3. rahmani

    rahmani Junior Member

    Joined:
    Dec 13, 2020
    7
    2
    0
    Location:
    Bangladesh
    Vehicle:
    2016 Prius
    Model:
    Base
    Thanks
     
    #3 rahmani, Apr 29, 2021
  4. Mendel Leisk

    Mendel Leisk EGR Fanatic

    Joined:
    Oct 17, 2010
    56,610
    39,190
    80
    Location:
    Greater Vancouver, British Columbia, Canada
    Vehicle:
    2010 Prius
    Model:
    Touring
    Owners Manual might say 0W16 (4th gen rev), but that’s maybe just Toyota trying to eke out a bit more mpg. Still, definitely consider heavier oil in hot climate.
     
    #4 Mendel Leisk, Apr 29, 2021
    amos and rahmani like this.
  5. rahmani

    rahmani Junior Member

    Joined:
    Dec 13, 2020
    7
    2
    0
    Location:
    Bangladesh
    Vehicle:
    2016 Prius
    Model:
    Base
    Thanks
     
    #5 rahmani, Apr 29, 2021
    Mendel Leisk likes this.
  6. jdenenberg

    jdenenberg EE Professor

    Joined:
    Nov 21, 2005
    3,871
    1,871
    1
    Location:
    Trumbull, CT
    Vehicle:
    2020 Prius
    Model:
    LE AWD-e
    Mendel,

    There has been a drive to use a new grade of oil, "GR-6B" in cars, but that is for engines that were designed for that oil. A 2016 Prius predates the spec, but Toyota says it is OK. I am sticking to 0w-20 in my Gen4.

    "0W16 oils were going to be part of the ILSAC GF-6 rollout as GF-6B oil. What is significant about GF-6B oils is that the specification will not be backward compatible because of the new viscosity grades."

    JeffD
     
    #6 jdenenberg, Apr 29, 2021
    amos and Mendel Leisk like this.
  7. Hamza Masarwa

    Hamza Masarwa Junior Member

    Joined:
    Mar 21, 2021
    35
    1
    0
    Location:
    Jordan
    Vehicle:
    2016 Prius
    Model:
    Prime Advanced
    Hello
    I need a soft copy of owner's manual plz.

    Posted via the PriusChat mobile app.
     
    #7 Hamza Masarwa, Apr 29, 2021
  8. Mendel Leisk

    Mendel Leisk EGR Fanatic

    Joined:
    Oct 17, 2010
    56,610
    39,190
    80
    Location:
    Greater Vancouver, British Columbia, Canada
    Vehicle:
    2010 Prius
    Model:
    Touring
    You can download PDF at Toyota Tech Info. And also some Toyota Owners site?
     
    #8 Mendel Leisk, Apr 29, 2021
    Doug McC likes this.
  9. alanclarkeau

    alanclarkeau Senior Member

    Joined:
    Feb 24, 2016
    7,044
    7,586
    0
    Location:
    near Brisbane, Australia
    Vehicle:
    2016 Prius
    Model:
    N/A
    It's in the Owner's Manual. Oil Grade is on the Oil Filler cap.
     
    #9 alanclarkeau, Apr 30, 2021
    Doug McC, jerrymildred and krmcg like this.
  10. alanclarkeau

    alanclarkeau Senior Member

    Joined:
    Feb 24, 2016
    7,044
    7,586
    0
    Location:
    near Brisbane, Australia
    Vehicle:
    2016 Prius
    Model:
    N/A
    #10 alanclarkeau, Apr 30, 2021
    Doug McC, jerrymildred and Mendel Leisk like this.
(You must log in or sign up to post here.)