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Porsche Boxster vs. BMW Z3 Reliability

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Results are for year ending March 31, 2016. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year Make/Model Repair Trips Per 100 Cars Compared to all models for the same year    
2016 Porsche Boxster   small sample, members only   see reported repairs
  17 Boxsters, 3.9 months of data per Boxster, average 1500 miles

* Small sample, members only.

 

2015 Porsche Boxster   small sample, members only   see reported repairs
  19 Boxsters, 7.6 months of data per Boxster, average 5700 miles

* Small sample, members only.

 

2014 Porsche Boxster 14
10.5714285714% 10.5714285714% Fewest Trips Most Trips
[?] see reported repairs
  46 Boxsters, 9.1 months of data per Boxster, average 14600 miles

Like other sports cars, low average odometer reading.

 

2013 Porsche Boxster 27
31.7733990148% 31.7733990148% Fewest Trips Most Trips
[?] see reported repairs
  44 Boxsters, 10.1 months of data per Boxster, average 15700 miles

Like other sports cars, low average odometer reading.

 

2009 Porsche Boxster   small sample, members only   see reported repairs
  16 Boxsters, 10.6 months of data per Boxster, average 43300 miles

* Small sample, members only.

 

2008 Porsche Boxster 45
28.021978022% 28.021978022% Fewest Trips Most Trips
[?] see reported repairs
  47 Boxsters, 9.0 months of data per Boxster, average 43000 miles

Like other sports cars, low average odometer reading.

 

2007 Porsche Boxster 38
18.0519480519% 18.0519480519% Fewest Trips Most Trips
[?] see reported repairs
  35 Boxsters, 9.9 months of data per Boxster, average 54600 miles

Like other sports cars, low average odometer reading.

 

2006 Porsche Boxster 31
9.64912280702% 9.64912280702% Fewest Trips Most Trips
[?] see reported repairs
  35 Boxsters, 9.9 months of data per Boxster, average 58000 miles

Like other sports cars, low average odometer reading.

 

2005 Porsche Boxster 51
24.8299319728% 24.8299319728% Fewest Trips Most Trips
[?] see reported repairs
  35 Boxsters, 10.1 months of data per Boxster, average 67500 miles

Redesigned. Like other sports cars, low average odometer reading.

 

2004 Porsche Boxster   small sample, members only   see reported repairs
  19 Boxsters, 10.6 months of data per Boxster, average 56400 miles

* Small sample, members only.

 

2003 Porsche Boxster 48
13.7362637363% 13.7362637363% Fewest Trips Most Trips
[?] see reported repairs
  34 Boxsters, 8.7 months of data per Boxster, average 73400 miles

Like other sports cars, low average odometer reading.

 

2002 Porsche Boxster   small sample, members only   see reported repairs
  24 Boxsters, 10.3 months of data per Boxster, average 76600 miles

* Small sample, members only.

 

2001 BMW Z3 38
6.41025641026% 6.41025641026% Fewest Trips Most Trips
[?] see reported repairs
  32 Z3s, 9.0 months of data per Z3, average 84800 miles

Like other sports cars, low average odometer reading.
2001 Porsche Boxster 60
22.5274725275% 22.5274725275% Fewest Trips Most Trips
[?] see reported repairs
  38 Boxsters, 9.9 months of data per Boxster, average 88300 miles

Like other sports cars, low average odometer reading.

 

2000 BMW Z3   small sample, members only   see reported repairs
  17 Z3s, 3.6 months of data per Z3, average 99400 miles

* Small sample, members only.
2000 Porsche Boxster   small sample, members only   see reported repairs
  17 Boxsters, 3.4 months of data per Boxster, average 96600 miles

* Small sample, members only.

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Porsche Boxster vs. BMW Z3 Reliability Comparisons

You won't find Porsche Boxster or BMW Z3 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Porsche Boxster and the BMW Z3 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Porsche Boxster and BMW Z3 reliability as the cars age. Others tell you how reliable the Porsche Boxster and the BMW Z3 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 Boxster and the BMW Z3 have been recently.

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