Is Prius Gen 4 more reliable than Gen 3?

Discussion in 'Gen 3 Prius Main Forum' started by Mamalucy, Oct 20, 2025 at 2:41 AM.

  1. Mamalucy

    Mamalucy Junior Member

    Joined:
    Jul 31, 2019
    11
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    Location:
    Culver City, CA
    Vehicle:
    2010 Prius
    Model:
    III
    Original owner, Bought 2010 early Gen 3 having some problems. 122,500 miles, wondering if better to get a newer Prius Gen 4. Don't care for the newest model.
    Any thoughts? Thanks!
     
    #1 Mamalucy, Oct 20, 2025 at 2:41 AM
  2. PriusCamper

    PriusCamper Senior Member

    Joined:
    Mar 3, 2012
    12,492
    5,057
    0
    Location:
    Pacific Northwest, USA
    Vehicle:
    2007 Prius
    Model:
    Two
    Yes

    But problems are limited to head gasket and piston rings...

    You can put a Gen 4 engine in a Gen 3 Prius and solve everything.
     
    #2 PriusCamper, Oct 20, 2025 at 2:58 AM
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