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Porsche 911 vs. Porsche Cayman Reliability Comparisons

You won't find Porsche 911 or Porsche Cayman reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Porsche 911 and the Porsche Cayman truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Porsche 911 and Porsche Cayman reliability as the cars age. Others tell you how reliable the Porsche 911 and the Porsche Cayman were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Porsche 911 and the Porsche Cayman have been recently.

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See only powertrain and chassis results

Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2009 Porsche 911   17 911s, 7.4 months of data per 911, average 25100 miles

* Small sample size.
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or 17 911s, 7.4 months of data per 911, average 25100 miles

* Small sample size.
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see reported repairs

 

2008 Porsche Cayman 38 Caymans, 9.5 months of data per Cayman, average 31600 miles

Like other sports cars, low average odometer reading.
33
20% Fewest Trips Most Trips
see reported repairs

 

2007 Porsche 911 26 911s, 10.1 months of data per 911, average 38900 miles

Like other sports cars, low average odometer reading. Possible blip at end of CPO warranty. Have noticed this for both the Boxster and 911 across multiple model years.
78
70% Fewest Trips Most Trips
see reported repairs
2007 Porsche Cayman 40 Caymans, 9.0 months of data per Cayman, average 40300 miles

Like other sports cars, low average odometer reading. Possible blip at end of CPO warranty.
47
30% Fewest Trips Most Trips
see reported repairs

 

2006 Porsche 911   14 911s, 8.9 months of data per 911, average 34400 miles

* Very small sample size.
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or 14 911s, 8.9 months of data per 911, average 34400 miles

* Very small sample size.
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2006 Porsche Cayman 42 Caymans, 9.1 months of data per Cayman, average 51500 miles

Like other sports cars, low average odometer reading.
38
20% Fewest Trips Most Trips
see reported repairs

 

2002 Porsche 911 31 911s, 7.4 months of data per 911, average 58400 miles

Like other sports cars, low average odometer reading.
63
20% Fewest Trips Most Trips
see reported repairs

 

2001 Porsche 911   11 911s, 7.8 months of data per 911, average 54700 miles

* Very small sample size.
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or 11 911s, 7.8 months of data per 911, average 54700 miles

* Very small sample size.
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1999 Porsche 911   14 911s, 8.0 months of data per 911, average 68800 miles

* Very small sample size.
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or 14 911s, 8.0 months of data per 911, average 68800 miles

* Very small sample size.
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see reported repairs

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What People Are Saying about Reliability and the Porsche 911

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What Our Members Are Saying about Porsche 911 Reliability and Durability

Reliability and Durability of the Porsche 911: Pros
YearBody/PowertrainComment
2002 2dr Coupe turbocharged 415hp 3.6L H6
6-speed manual AWD
Porsches are built to last, this car just feels solid - the interior especially
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD
only fixed a gearbox undertray gasket, sway bar end links and regular service over 2.5 yrs.

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What Our Members Are Saying about Porsche Cayman Reliability and Durability

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