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Discussion Starter #1
I wanted more up-to-date car reliability information that included actual repair rates. So in late 2005 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 cover all model years from 1995 on -- just a matter of getting enough owners involved. 405 signed up so far.

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 Jeeps, for free. I'll share results in this thread after each update.


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

Car reliability research
 

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Discussion Starter #2
We have updated results to include owner experiences through December 31, 2009. Results for the Grand Cherokee, in terms of repair trips per 100 cars per year:

2007: 58, about average

2005: 26, better than average

Small sample sizes in both cases. With more participants, we could provide more precise information and cover all model years.

Jeep Grand Cherokee reliability comparisons
 

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Discussion Starter #3
We have updated results for the Grand Cherokee to include owner experiences through June 30, 2010.

In terms of repair trips per 100 cars per year:

2007: 72, about average

2005: 54, better than average, small sample size

2004: 142, worse than average, very small sample size

Thank you, once again, to this forum and everyone who has been helping. 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 comparisons
 

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Discussion Starter #4
We have updated results for the Grand Cherokee to include owner experiences through September 30, 2010. Repair frequencies, in terms of repair trips per 100 cars per year:

2007: 81, about average

2005: 68, about average, small sample size

2004: 141, worse than average, very small sample size

Thank you, once again, to this forum and everyone who has been helping. We'll have further updates in February and May. 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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Discussion Starter #5
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

2004: 123, worse than 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 from 1995 on.

To see how competitors compare, and to sign up:

Jeep Grand Cherokee reliability ratings and comparisons
 

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What's really sad, my 2010 Commander seems to be more reliable than my previous Chrysler products, it hasn't suffered any malfuctions or problems yet, other than a bad gas cap that was easily fixed on my own. It really seems to be much better engineered, higher quality and more reliable than my previous Chrysler Products I own.

Yet, I've never had any of my less reliable Chrysler products into the Dealership as much as I have for my 2010 Commander. I dare say this is likely the last Chrysler Product I ever purchase if they do NOT turn this around, even though I've never been happier with their products.

Huh? Doesn't make sense? Its the proprietary locks on the electronics, I can NOT do a single modification, add, even MOPAR Accessories, do many basic maintenance myself, I can't even get spare keys made without having to go into the dealer and pay outrageous prices for service for them to use their proprietary scan tool. I even bought a fairly expensive enhanced scan tool, I'm still locked out of most of the electronics and basic maintenance and configuration tasks.

I can afford to buy just about any Chrysler product on the lot, I just can't afford to own, operate, maintain them. What I've spent on Dealership Service so far for my 2010 Commander, and the vehicle hasn't even broken down yet.

And NO it does NOT need to be this way because of the multiple computer modules, that is a line of BS, all sorts of other industries are years ahead of the auto industry in this regard and they never needed this level of service for basic maintenance and configuration. Chrysler deliberately designs it this way to provide business to their dealerships. They would have to be to incompetent to sell a single car otherwise.
 

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Discussion Starter #7
We have updated reliability stats for the Grand Cherokee to include owner experiences through June 30, 2011. Repair frequencies, in terms of repair trips per 100 cars per year:

2011: 109, worse than average

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

2007: 74, about average

2005: 111, about average, small sample size

2004: 64, better than average, small sample size

2002: 99, about average, very small sample size

2000: 129, about average, very 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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Discussion Starter #8
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:

2011: 100, worse than average

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

2007: 85, about average

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

2006 Commander: 62, better than average, very small sample size

2005: 123, worse than average, small sample size

2004: 72, better than average, small sample size

2002: 153, worse than average, very small sample size

2000: 100, about average, very 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 in February and May. 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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Discussion Starter #9
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:

2012: 44, about average

2011: 46, about average and much better than earlier

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

2004: 100, worse than average

2002: 113, worse than average, very small sample size

2000: 75, better than average, very small sample size

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 from 1998 on.

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

http://truedelta.com/Jeep-Grand-Cherokee/reliability-144]Jeep Grand Cherokee reliability ratings and comparisons[/url]
 

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Discussion Starter #10
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:

2012: 44, moderate

2011: 43, moderate and much better than earlier

2008: 50, moderate, small sample size

2007: 51, moderate

2006: 88, high, very small sample size

2005: 76, moderate

2004: 102, high

2002: 132, high, very small sample size

2000: 94, moderate, very 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 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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mkaresh said:
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:

2012: 44, moderate

2011: 43, moderate and much better than earlier

2008: 50, moderate, small sample size

2007: 51, moderate

2006: 88, high, very small sample size

2005: 76, moderate

2004: 102, high

2002: 132, high, very small sample size

2000: 94, moderate, very 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 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
I'm not exactly shure how the above data is suposed to be analized.
I recently took possesion of a 2002 JGC with a 4.7HO V8, found
this page and am perplexed by all the MOPAR info.
Back to the comment-Question. Several posts have different
numbers for 2002, with varied relibility comments.
Do each "group of Data" change from post to post or
is the Data changing because there is more input...?????
Just a dried-up old boat Skipper.
 

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Discussion Starter #12
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:

2012 Grand Cherokee: 54, moderate
2011 Grand Cherokee: 40, moderate
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
2004 Grand Cherokee: 78, moderate
2002 Grand Cherokee: 103, moderate, very small sample size
2001 Grand Cherokee: 231, high, very small sample size
2000 Grand Cherokee: 82, low, very small sample size

Also:

2006 Commander: 25, low, very small sample size, likely not accurate (need more participants)

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:

2012 Grand Cherokee: 64, 4
2011 Grand Cherokee: 69, < 1
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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Discussion Starter #13
We've updated our reliability stats for the Grand Cherokee to include owner experiences through June 30, 2013. (Another source is about 14 months behind.)

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

2014 Grand Cherokee: 80, high, small sample size
2013 Grand Cherokee: 32, moderate, very small sample size
2012 Grand Cherokee: 49, moderate
2011 Grand Cherokee: 47, moderate
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
2004 Grand Cherokee: 78, moderate
2002 Grand Cherokee: 132, high, very small sample size
2001 Grand Cherokee: 212, high, very small sample size
2000 Grand Cherokee: 92, moderate, very small sample size

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:

2012 Grand Cherokee: 67, 4
2011 Grand Cherokee: 65, < 1

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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Discussion Starter #14
We've updated our reliability stats for the Grand Cherokee to include owner experiences through September 30, 2013.

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

2014 Grand Cherokee: 72, high
2013 Grand Cherokee: 37, moderate, small sample size
2012 Grand Cherokee: 48, moderate
2011 Grand Cherokee: 47, moderate
2008 Grand Cherokee: 51, moderate, small sample size
2007 Grand Cherokee: 45, low
2006 Grand Cherokee: 44, low, very small sample size
2005 Grand Cherokee: 63, low, small sample size
2004 Grand Cherokee: 93, moderate
2002 Grand Cherokee: 103, moderate, very small sample size
2000 Grand Cherokee: 98, moderate, very small sample size

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:

2012 Grand Cherokee: 65, 4
2011 Grand Cherokee: 59, < 1
2007 Grand Cherokee: 57, < 1

We'll have further updates in February and in May. 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:

Jeep Grand Cherokee reliability ratings and comparisons
 

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Discussion Starter #15
We've updated our reliability stats for the Grand Cherokee to include owner experiences through December 31, 2013.

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

2014 Grand Cherokee: 64, high
2013 Grand Cherokee: 44, moderate, very small sample size
2012 Grand Cherokee: 46, moderate
2011 Grand Cherokee: 43, moderate
2008 Grand Cherokee: 52, moderate, small sample size
2007 Grand Cherokee: 80, moderate
2005 Grand Cherokee: 52, low, small sample size
2004 Grand Cherokee: 74, moderate
2002 Grand Cherokee: 87, moderate, small sample size
2000 Grand Cherokee: 115, moderate, very small sample size

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:

2012 Grand Cherokee: 66, 4
2011 Grand Cherokee: 64, < 1
2007 Grand Cherokee: 41, < 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 the repairs behind these stats, and to sign up to help improve this information:

Jeep Grand Cherokee reliability ratings and comparisons
 

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Discussion Starter #16
Our reliability stats for the Grand Cherokee now include owner experiences through March 31, 2014, making them nearly a year ahead of other sources.

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

2014 Grand Cherokee: 60, high
2013 Grand Cherokee: 35, moderate, small sample size
2012 Grand Cherokee: 44, moderate
2011 Grand Cherokee: 56, moderate
2008 Grand Cherokee: 32, low, small sample size
2007 Grand Cherokee: 82, moderate
2006 Grand Cherokee: 0, low, very small sample size
2005 Grand Cherokee: 67, moderate
2004 Grand Cherokee: 85, moderate
2002 Grand Cherokee: 86, moderate, very small sample size
2000 Grand Cherokee: 153, high, very small sample size

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:

2012 Grand Cherokee: 74, 2
2011 Grand Cherokee: 62, 2

Thank you, once again, everyone who has been helping. Next update in August.

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

Jeep Grand Cherokee reliability ratings and comparisons
 

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For the so-called Jeep Flagship, the number of repair trips is embarrassingly high.
Build quality should be getting better, not worse. Are the long shift hours starting to fatigue the workforce?
 

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Discussion Starter #18
We've updated our reliability stats for the Grand Cherokee to include owner experiences through June 30, 2014.

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

2014 Grand Cherokee: 58, high
2013 Grand Cherokee: 28, low, very small sample size
2012 Grand Cherokee: 52, moderate
2011 Grand Cherokee: 55, moderate
2008 Grand Cherokee: 49, low, small sample size
2007 Grand Cherokee: 85, moderate
2006 Grand Cherokee: 60, moderate, very small sample size
2005 Grand Cherokee: 65, moderate
2004 Grand Cherokee: 76, moderate
2002 Grand Cherokee: 73, low, very small sample size
2000 Grand Cherokee: 97, moderate, small sample size

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:

2014 Grand Cherokee: 46, < 1
2012 Grand Cherokee: 67, 5
2011 Grand Cherokee: 65, < 1

Next updates in November and in February. The more owners participate, the more comprehensive and precise these will be.

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

Jeep Grand Cherokee reliability ratings and comparisons
 

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Discussion Starter #19
We've updated our reliability stats for the Grand Cherokee to include owner experiences through September 30, 2014.

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

2014 Grand Cherokee: 52, moderate
2013 Grand Cherokee: 24, low, small sample size
2012 Grand Cherokee: 43, moderate
2011 Grand Cherokee: 57, moderate
2008 Grand Cherokee: 44, low, small sample size
2007 Grand Cherokee: 99, high
2006 Grand Cherokee: 68, moderate, very small sample size
2005 Grand Cherokee: 69, moderate, small sample size
2004 Grand Cherokee: 80, moderate
2002 Grand Cherokee: 135, high, very small sample size
2000 Grand Cherokee: 67, low, small sample size

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:

2014 Grand Cherokee: 62, < 1
2012 Grand Cherokee: 70, 2
2011 Grand Cherokee: 60, 2

Additional participants always helpful (especially if you see "small sample size" next to the year, or no stat at all).

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):

Jeep Grand Cherokee reliability ratings and comparisons
 

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Discussion Starter #20
We've updated our reliability stats for the Grand Cherokee 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:

2015 Grand Cherokee: 41, moderate
2014 Grand Cherokee: 67, high
2013 Grand Cherokee: 50, moderate, very small sample size
2012 Grand Cherokee: 41, moderate
2011 Grand Cherokee: 38, low
2008 Grand Cherokee: 76, moderate, small sample size
2007 Grand Cherokee: 73, moderate
2006 Grand Cherokee: 30, low, very small sample size
2005 Grand Cherokee: 100, moderate, small sample size
2004 Grand Cherokee: 144, high, small sample size
2002 Grand Cherokee: 37, low, very small sample size
2001 Grand Cherokee: 68, low, very small sample size

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:

2014 Grand Cherokee: 51, 5
2012 Grand Cherokee: 70, < 1
2011 Grand Cherokee: 67, 3

We'll have further updates in May and in August. The more owners participate, the more comprehensive and precise these will be. No stat, or a small sample size? Then we especially need more owners involved for that model year.

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

Jeep Grand Cherokee reliability ratings and comparisons
 
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