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Porsche Boxster vs. BMW Z3 Reliability

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Results are for year ending September 30, 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
  22 Boxsters, 7.9 months of data per Boxster, average 2800 miles

* Small sample, members only.

 

2015 Porsche Boxster   small sample, members only   see reported repairs
  18 Boxsters, 8.6 months of data per Boxster, average 7800 miles

* Small sample, members only.

 

2014 Porsche Boxster 26
35.7142857143% 35.7142857143% Fewest Trips Most Trips
see reported repairs
  46 Boxsters, 9.1 months of data per Boxster, average 17400 miles

Like other sports cars, low average odometer reading.

 

2013 Porsche Boxster 29
35.7142857143% 35.7142857143% Fewest Trips Most Trips
see reported repairs
  46 Boxsters, 9.9 months of data per Boxster, average 18700 miles

Like other sports cars, low average odometer reading.

 

2009 Porsche Boxster   small sample, members only   see reported repairs
  15 Boxsters, 10.4 months of data per Boxster, average 46200 miles

* Small sample, members only.

 

2008 Porsche Boxster 40
22.5274725275% 22.5274725275% Fewest Trips Most Trips
see reported repairs
  38 Boxsters, 10.2 months of data per Boxster, average 46100 miles

Like other sports cars, low average odometer reading.

 

2007 Porsche Boxster 37
15.0246305419% 15.0246305419% Fewest Trips Most Trips
see reported repairs
  32 Boxsters, 10.0 months of data per Boxster, average 56000 miles

Like other sports cars, low average odometer reading.

 

2006 Porsche Boxster 29
9.83827493261% 9.83827493261% Fewest Trips Most Trips
see reported repairs
  30 Boxsters, 9.8 months of data per Boxster, average 57200 miles

Like other sports cars, low average odometer reading.

 

2005 Porsche Boxster 39
11.8336886994% 11.8336886994% Fewest Trips Most Trips
see reported repairs
  35 Boxsters, 10.5 months of data per Boxster, average 68000 miles

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

 

2004 Porsche Boxster   small sample, members only   see reported repairs
  17 Boxsters, 10.6 months of data per Boxster, average 59700 miles

* Small sample, members only.

 

2003 Porsche Boxster 51
17.4285714286% 17.4285714286% Fewest Trips Most Trips
see reported repairs
  27 Boxsters, 8.7 months of data per Boxster, average 77800 miles

Like other sports cars, low average odometer reading.

 

2002 Porsche Boxster   small sample, members only   see reported repairs
  21 Boxsters, 9.8 months of data per Boxster, average 76200 miles

* Small sample, members only.

 

2001 BMW Z3 47
14.8648648649% 14.8648648649% Fewest Trips Most Trips
see reported repairs
  29 Z3s, 7.0 months of data per Z3, average 91000 miles

Like other sports cars, low average odometer reading.
2001 Porsche Boxster 53
19.4980694981% 19.4980694981% Fewest Trips Most Trips
see reported repairs
  34 Boxsters, 8.1 months of data per Boxster, average 89500 miles

Like other sports cars, low average odometer reading.

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See reliability results for all Convertibles.
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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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