andys-944

Ivc2, I would suggest the market price of these cars is already 'discounted' for IMS issues if it wasn't for this question the cars would probably be selling for far more than they are.

mkaresh

Did you note what month/year the engines were replaced? Those I know of occurred at least a couple of years ago. In earlier years the failure rate could have been about 20 percent. It is possible that those that were going to fail have mostly failed at this point, so the others could be good for the long haul. It does seem that these cars are already discounted for the IMS issue.

mkaresh

[Deleted because posted in wrong forum.]

mkaresh

We've updated our reliability stats for the 996 to include owner experiences through March 31, 2013.

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

2002 911: 61, low, small sample size
2001 911: 21, low, very small sample size
1999 911: 27, low, small sample size

We'll have further updates in August and in November. Given the low sample sizes, these stats are not precise. Additional participants would certainly help.

Porsche 911 reliability ratings and comparisons

KrazyK

Same old story, more of the same drama. This pretty much sums up the reliability issues:

mkaresh

We've actually had hardly any IMS failures reported in the past two years, with hundreds of owners participating. I think this entry was for a repair that occurred before the member joined (but would have to check to be sure).

KrazyK

With the other poll showing a 9.29+% failure rate, I wouldnt be so sure of your optimism.

WalterRohrl

Michael I think you need to school KrazyK in introductory statistics and what makes a sample valid vs invalid as well as correct methodology as he is hopelessly misguided in clinging to his belief of the validity of the "poll". I know that you are actually qualified to do so... I'm not sure why KrazyK seems to believe it is valid/accurate, I do not believe for a moment that 1 of every 11 996's ever built have actually experienced IMS failure.

KrazyK

Walter I direct your attention back to the official 996 IMS poll which is still alive and well.

WalterRohrl

KK - If you are talking about the poll at the top of the page then that is what I am referring to as well. What is "official" about it? How is the sample selected? How is bias controlled? Do you really believe the result is valid across the total production? 1 out of every 11 cars have experienced failure? (NOT cars that reported in the poll, but cars as in units sold by the factory, which is orders of magnitude greater than either poll respondents or Rennlist visitors.)

I hope you don't believe there is anything more "official" about this poll than there would be about a poll in Crawford, Texas among registered Republicans as to who was the better of the last two presidents...

MiamiC70

I want to chime in that my car is a DD and since bought it 3 years ago NOTHING has happened
No IMS, no mechanical issues, just oil and gas.
Actually, my biggest expense category has been UPGRADES

Zanzibar Red 996

Your so called official Poll
Is from a minuscule portion of
Porsche owners who are rennlisters , doesn't that tell
you how off this "Poll" is ?

MiamiC70

Wait. Aren't ALL Porsche owners Rennlisters?

mkaresh

Both stats can be correct. I stated that we've had hardly any failures reported in the last two years. The failure rate you state is for the entire time the cars have been owned. My sense is that, while quite a few failed earlier, hardly any have failed recently. It's possible that those that were likely to fail have, in the great majority of cars, already failed.

Imo000

Guys, this poll is worth 0.0%.