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Reliability information

Discussion in 'Gen 2 Prius Main Forum' started by mkaresh, Jun 7, 2006.

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  1. fileaudio

    fileaudio Member

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    Great post,, how does it works that seems that my prius 08 is more reliable on last years,,low low ,,I love the prius
     
    #101 fileaudio, Oct 16, 2014
  2. fileaudio

    fileaudio Member

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    Great work indeed,,, any updates soon? Seems lije the 2008 nodel has less repairs?
     
    #102 fileaudio, Oct 17, 2014
  3. Prius Pete

    Prius Pete Active Member

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    Vehicle:
    2004 Prius
    I notice the 2004 Prius has fewer repair trips/yr than any other vehicle that old except for the 2004 Lexus RX among TrueDelta's statistically significant stats.
     
    #103 Prius Pete, Oct 25, 2014
  4. mkaresh

    mkaresh Member

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    Next update is next week.

    The hard part with older cars is that at some people start living with problems rather than fixing them. When comparing cars of the same year this should cancel out. I have noticed that the only cars reliable for 10+ years are either Hondas or Toyotas (and not all of these). The Prius is a reliability champ.

    We have more people selling than buying cars of this vintage, so additional participants--for any year--would be very helpful.

    For those not yet signed up, to help us provide more precise stats as these cars age:

    Join TrueDelta
     
    #104 mkaresh, Nov 18, 2014
  5. mkaresh

    mkaresh Member

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    We've updated our reliability stats for the Prius to include owner experiences through September 30, 2014.

    Repair frequencies, in terms of repair trips per 100 cars per year--the Prius is as boring as ever:

    2009 Prius: 19, low
    2008 Prius: 20, low
    2007 Prius: 23, low
    2006 Prius: 35, low
    2005 Prius: 33, low
    2004 Prius: 25, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 83, < 1
    2008 Prius: 80, < 1
    2007 Prius: 76, < 1
    2006 Prius: 69, < 1
    2005 Prius: 68, < 1
    2004 Prius: 79, < 1

    To view the repairs behind these numbers, check the stats for other cars, and sign up to help improve this information (next update in February):

    Toyota Prius reliability ratings and comparisons
     
    #105 mkaresh, Dec 24, 2014
  6. mkaresh

    mkaresh Member

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    New stuff this time. We've updated our reliability stats for the Prius to include owner experiences through the end of 2014. Plus we've added reliability trends graphs. These indicate how a model's reliability has changed as it has aged, and how different model years performed when the same age.

    Repair frequencies, in terms of repair trips per 100 cars per year:

    2009 Prius: 22, low
    2008 Prius: 27, low
    2007 Prius: 20, low
    2006 Prius: 33, low
    2005 Prius: 34, low
    2004 Prius: 24, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 77, < 1
    2008 Prius: 76, < 1
    2007 Prius: 85, < 1
    2006 Prius: 74, < 1
    2005 Prius: 67, 2
    2004 Prius: 70, < 1

    We'll have further updates in May and in August. The more owners participate, the more comprehensive and precise these will be.

    To see how competitors compare, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons

    To view the new graphs, select "reliability trends" in the breadcrumbs at the top of the linked page. Or check out the attachment. The second-gen Prius does have unusually flat trend lines.
     

    Attached Files:

    #106 mkaresh, Mar 20, 2015
  7. Prius Pete

    Prius Pete Active Member

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    Vehicle:
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    The new reliability trends graphs are great! They will improve as you get more years of data.
     
    #107 Prius Pete, Mar 25, 2015
  8. mkaresh

    mkaresh Member

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    I'm glad you like them. Like the stats on which they're based, these graphs are most precise with large sample sizes. We've got fairly good sample sizes for the Prius, but they could be better. So I hope more owners will join.

    Join TrueDelta
     
    #108 mkaresh, Apr 29, 2015
  9. mkaresh

    mkaresh Member

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    So, how have these cars been doing lately?

    Our reliability stats for the Prius now include owner experiences through March 31, 2015. (Others are nearly a year behind.)

    In terms of repair trips per 100 cars per year ("low" is best):


    2009 Prius: 26, low
    2008 Prius: 27, low
    2007 Prius: 23, low
    2006 Prius: 30, low
    2005 Prius: 28, low
    2004 Prius: 29, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 74, < 1
    2008 Prius: 78, < 1
    2007 Prius: 78, < 1
    2006 Prius: 79, 2
    2005 Prius: 74, < 1
    2004 Prius: 73, < 1

    Okay, not much change from...ever. Boringly consistent! Next updates in August and November.

    For repair descriptions, the stats for other cars, and to sign up to help improve this information:

    Toyota Prius reliability
     
    #109 mkaresh, Jun 28, 2015
  10. mkaresh

    mkaresh Member

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    Our reliability stats for the Prius now cover the year ending June 30, 2015. (Others are over a year behind, and so report how these cars were doing when a year younger.)

    Repair trips per 100 cars:

    2009 Prius: 20, low
    2008 Prius: 31, low
    2007 Prius: 29, low
    2006 Prius: 22, low
    2005 Prius: 27, low
    2004 Prius: 48, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 84, < 1
    2008 Prius: 74, < 1
    2007 Prius: 75, < 1
    2006 Prius: 79, < 1
    2005 Prius: 79, 2
    2004 Prius: 76, 8

    Additional participants always helpful.

    For the descriptions of all reported repairs, results for other models, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons
     
    #110 mkaresh, Sep 24, 2015
  11. mkaresh

    mkaresh Member

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    We've updated our reliability stats for the Prius to include owner experiences through September 30, 2015.

    Repair frequencies, in terms of repair trips per 100 cars per year:

    2009 Prius: 26, low
    2008 Prius: 32, low
    2007 Prius: 28, low
    2006 Prius: 30, low
    2005 Prius: 46, low
    2004 Prius: 50, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 80, < 1
    2008 Prius: 70, < 1
    2007 Prius: 76, < 1
    2006 Prius: 80, < 1
    2005 Prius: 68, 2
    2004 Prius: 73, 7

    We'll have further updates in February and in May. The more owners participate, the more comprehensive and precise these will be.

    For the details, including repair descriptions, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons
     
    #111 mkaresh, Dec 22, 2015
  12. Rph74

    Rph74 Active Member

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    There seems to be a sudden spike in repairs for 2004 models. It will be interesting to see in the future if this is an anomaly or if the 11 year mark becomes a "magic number" of sorts where GenII Prius parts begin to see more failures.
     
    #112 Rph74, Dec 28, 2015
  13. mkaresh

    mkaresh Member

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    We've updated our reliability stats for the Prius to include owner experiences through the end of 2015, about eight months ahead of other sources.

    In terms of repair trips per 100 cars per year--lower is better:

    2009 Prius: 43, low
    2008 Prius: 26, low
    2007 Prius: 32, low
    2006 Prius: 33, low
    2005 Prius: 48, low
    2004 Prius: 51, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 64, 3
    2008 Prius: 76, < 1
    2007 Prius: 73, < 1
    2006 Prius: 73, < 1
    2005 Prius: 68, 2
    2004 Prius: 66, 4

    For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons
     
    #113 mkaresh, Mar 11, 2016
    JasonATX likes this.
  14. mkaresh

    mkaresh Member

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    We've updated our reliability stats for the Prius to include owner experiences through June 30, 2016. Reliability information elsewhere is based on a survey conducted in April 2015--well over a year ago.

    Repair frequencies, in terms of repair trips per 100 cars per year (lower is better):

    2009 Prius: 46, low
    2008 Prius: 36, low
    2007 Prius: 31, low
    2006 Prius: 40, low
    2005 Prius: 55, low
    2004 Prius: 39, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 68, 3
    2008 Prius: 74, 2
    2007 Prius: 76, < 1
    2006 Prius: 63, < 1
    2005 Prius: 64, 4
    2004 Prius: 65, < 1

    We'll have further updates in November and next February. The more owners participate, the more comprehensive and precise these will be.

    For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons
     
    #114 mkaresh, Sep 19, 2016
  15. zlowe24

    zlowe24 New Member

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    2008 Prius
    Model:
    V
    Has anyone seen a 2008 put a rod through the block? Got a call from my mom that she was broken down and picking up what she believed to be pieces of her car on the road. sounds like situations i've had, but those were highly modified, forced induction cars. i understand anything can pop if ignored long enough, but do these really grenade without noise from a spun bearing first? Just have a hard time believing the prius throws rods like a dragster.

    She felt she "may" have ran over something, just trying to get some ideas from the experts before i check it out. Thanks for your input. i will be happy to contribute to the thread once i can confirm a thrown rod and have all the other details you would need.
     
    #115 zlowe24, Nov 11, 2016
  16. bisco

    bisco cookie crumbler

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    Plug-in Base
    how many miles on her? (for reliability stats)
     
    #116 bisco, Nov 11, 2016
  17. mkaresh

    mkaresh Member

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    We've updated our reliability stats for the Prius to include owner experiences through September 30, 2016.

    Repair frequencies, in terms of repair trips per 100 cars per year (lower is better):

    2009 Prius: 39, low
    2008 Prius: 39, low
    2007 Prius: 38, low
    2006 Prius: 23, low
    2005 Prius: 41, low
    2004 Prius: 42, low

    We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

    2009 Prius: 67, < 1
    2008 Prius: 67, 2
    2007 Prius: 71, < 1
    2006 Prius: 76, < 1
    2005 Prius: 65, < 1
    2004 Prius: 70, < 1

    Additional participants always helpful.

    For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

    Toyota Prius reliability ratings and comparisons
     
    #117 mkaresh, Jan 31, 2017
  18. JMalmsteen

    JMalmsteen I love my Prius!

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    Location:
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    2017 Prius Prime
    Model:
    Plug-in Advanced
    2007 Prius
    Estimated 473k miles, dash was out though. We just replaced the battery. Attached is a pic from a few minutes ago at 469,999 miles!
     

    Attached Files:

    #118 JMalmsteen, Aug 22, 2017
    Kaptainkid1, Chodronish, nssdiver and 1 other person like this.
  19. padroo

    padroo Senior Member

    Joined:
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    Location:
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    Vehicle:
    2016 Prius
    Model:
    Four
    I traded in my 2008 last month and removed it from true delta and put my new 2016 on.
    I only had 108,000 on the 08. It was the best car I ever owned and only three trips to the dealer and two were for recalls and the other was those troublesome HID light for bulb replacement. Mine was the only one I ever saw with rust on the right rear rocker panel. I blame that on where I worked in a steel mill, very corrosive atmosphere.
    Mechanically, I replaced the noisy right front wheel bearing and replaced front struts at close to 100,000 miles.
    I am expecting similar results from my new 2016 Prius.
     
    #119 padroo, Dec 17, 2017
    Chodronish likes this.
  20. Dxta

    Dxta Senior Member

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    Wao! This is great. A job well done.
    I'd like to incorporate something like this in Nigeria, where we've got lots of issues with used cars.

    I have have PM you already @mkaresh.
     
    #120 Dxta, Dec 17, 2017
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