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  #1  
Old 01-19-2011, 11:58 AM
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Jeep Grand Cherokee WK reliability - let's get better info

I wanted more up-to-date car reliability information that made the differences between cars clearer. So a few years ago I started getting people together to make this possible. TrueDelta now updates actual repair frequencies, not just dots, four times a year, to track cars closely as they age.

I'd like to provide solid stats for every year of the WK, just a matter of getting more owners involved. So I'm grateful that the owner of this forum has provided permission to post this thread.

Participants simply report repairs the month after they occur on a one-page survey. When there are no repairs, they simply report an approximate odometer reading four times a year, at the end of each quarter.

To encourage participation, participants receive full access to all results, not just those for the Grand Cherokee, for free. I'll share results for the WK in this thread after each update.

For the details, and to sign up to help out:

Car reliability research
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  #2  
Old 04-04-2011, 12:02 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated results for the Grand Cherokee to include owner experiences through December 31, 2010. Repair frequencies, in terms of repair trips per 100 cars per year:

2007: 108, worse than average

2005: 113, about average, small sample size

Thank you, once again, to this forum and everyone who has been helping. We'll have further updates in May and August. With more participants, we could provide more precise information and cover all model years.

To see how competitors compare, and to sign up:

Jeep Grand Cherokee reliability ratings and comparisons
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  #3  
Old 07-11-2011, 12:04 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated results for the Grand Cherokee to include owner experiences through March 31, 2011.

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

2008: 35, better than average, very small sample size

2007: 91, about average

2005: 106, about average, small sample size

We'll have further updates in August and November. With more participants, we could provide more precise information and cover all model years from 1995 on.

To see how competitors compare, and to sign up:

Jeep Grand Cherokee reliability ratings and comparisons
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Old 10-05-2011, 01:01 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated results for the Grand Cherokee to include owner experiences through June 30, 2011. Repair frequencies, in terms of repair trips per 100 cars per year:

2008: 36, better than average, very small sample size

2007: 74, about average

2005: 111, about average, small sample size

We'll have further updates in November and February. With more participants, we could provide more precise information and cover all model years from 1995 on.

To see how competitors compare, and to sign up:

Jeep Grand Cherokee reliability ratings and comparisons
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  #5  
Old 02-15-2012, 11:01 AM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated our reliability stats for the Grand Cherokee (on our redesigned site) to include owner experiences through September 30, 2011.

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

2008: 35, better than average, very small sample size

2007: 85, about average

2006: 39, better than average, very small sample size

2005: 123, worse than average, small sample size

Much of the variation from year to year is likely due to the small sample sizes for every year except the 2007 and 2011.

Thank you, once again, to this forum and everyone who has been helping. We'll have further updates later this month and in May. With more participants, we could provide more precise information and cover all model years.

To see how competitors compare, and to sign up:

Jeep Grand Cherokee reliability ratings and comparisons
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Old 01-02-2013, 02:58 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated our reliability stats for the Grand Cherokee to include owner experiences through September 30, 2012. Repair frequencies, in terms of repair trips per 100 cars per year:

2008: 39, about average, small sample size

2007: 67, about average

2006: 91, worse than average, very small sample size

2005: 125, worse than average

We'll have further updates in February and May. With more owners involved, we could provide more precise information and fully cover all model years.

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

Jeep Grand Cherokee reliability ratings and comparisons
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Old 04-29-2013, 11:49 AM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We have updated our reliability stats for the Grand Cherokee to include owner experiences through December 31, 2012. Repair frequencies, in terms of repair trips per 100 cars per year:

2008: 50, moderate, small sample size

2007: 51, moderate

2006: 88, high, very small sample size

2005: 76, moderate

Thank you, once again, to this forum and everyone who has been helping. We'll have further updates in May and August. With more owners involved, we could provide more precise information and cover all model years from 1998 on.

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

Jeep Grand Cherokee reliability ratings and comparisons
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Old 07-31-2013, 12:29 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We've updated our reliability stats for the Grand Cherokee to include owner experiences through March 31, 2013.

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

2008 Grand Cherokee: 37, low, small sample size
2007 Grand Cherokee: 53, moderate
2006 Grand Cherokee: 45, low, very small sample size
2005 Grand Cherokee: 55, moderate

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:

2007 Grand Cherokee: 55, 4

We'll have further updates in August and in November.

For the details, including the descriptions of reported repairs, and to sign up to help improve this information:

Jeep Grand Cherokee reliability ratings and comparisons
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  #9  
Old 10-30-2013, 11:06 AM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

We've updated our reliability stats for the Grand Cherokee to include owner experiences through June 30, 2013.

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

2008 Grand Cherokee: 40, low, small sample size
2007 Grand Cherokee: 49, moderate
2006 Grand Cherokee: 38, low, very small sample size
2005 Grand Cherokee: 55, moderate

We'll have further updates in November and February.

To view competitors' scores and descriptions of reported repairs, and to sign up to help:

Jeep Grand Cherokee reliability ratings and comparisons
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  #10  
Old 10-30-2013, 04:24 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

How do you vector in a variance for the vehicles as they get older?

Or are you comparing a 2005 Jeep to a 2012 Jeep on a one repair to one repair basis?
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  #11  
Old 11-18-2013, 11:11 AM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

The stats themselves are absolute, not relative. But the low/moderate/high ratings are relative to the model year.
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Old 11-19-2013, 02:36 PM
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Re: Jeep Grand Cherokee WK reliability - let's get better info

Come on guys and gals, let's sign on and help him out. I've been on with both my Hemi LX and Hemi WK since he started. There's some good info. to be gained on the reliablitity of our rides, especially if you care how yours stacks up against your fellow Jeep owners, but he needs more input to give the stats. a little more accuracy. IMO, well worth it and it only takes a few minutes once a quarter to update your profile.
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