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Nissan 370Z vs. Kia Optima 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    
2015 Kia Optima   small sample, members only   see reported repairs
  15 Optimas, 8.5 months of data per Optima, average 8900 miles

* Small sample, members only.

 

2014 Kia Optima   small sample, members only   see reported repairs
  14 Optimas, 8.9 months of data per Optima, average 20000 miles

* Very small sample, members only.

 

2013 Kia Optima 9
0% 0% Fewest Trips Most Trips
[?] see reported repairs
  53 Optimas, 9.6 months of data per Optima, average 36700 miles

 

2012 Kia Optima 31
33.9285714286% 33.9285714286% Fewest Trips Most Trips
[?] see reported repairs
  34 Optimas, 8.1 months of data per Optima, average 54400 miles

 

2011 Kia Optima   small sample, members only   see reported repairs
  24 Optimas, 8.5 months of data per Optima, average 59200 miles

* Small sample, members only.

 

2009 Nissan 370Z   small sample, members only   see reported repairs
  13 370Zs, 10.5 months of data per 370Z, average 55200 miles

* Very small sample, members only.

 

2008 Nissan 350Z   small sample, members only   see reported repairs
  11 350Zs, 7.5 months of data per 350Z, average 55000 miles

* Very small sample, members only.

 

2007 Nissan 350Z   small sample, members only   see reported repairs
  11 350Zs, 10.9 months of data per 350Z, average 50500 miles

* Very small sample, members only.

 

2006 Nissan 350Z   small sample, members only   see reported repairs
  14 350Zs, 9.4 months of data per 350Z, average 74000 miles

* Very small sample, members only.

 

2005 Kia Optima   small sample, members only   see reported repairs
  11 Optimas, 10.3 months of data per Optima, average 110100 miles

* Very small sample, members only.
2005 Nissan 350Z   small sample, members only   see reported repairs
  17 350Zs, 8.9 months of data per 350Z, average 64800 miles

* Small sample, members only.

 

2004 Kia Optima   small sample, members only   see reported repairs
  11 Optimas, 9.1 months of data per Optima, average 135300 miles

* Very small sample, members only.
2004 Nissan 350Z   small sample, members only   see reported repairs
  22 350Zs, 8.7 months of data per 350Z, average 75300 miles

* Small sample, members only.

 

2003 Nissan 350Z 55
18.8644688645% 18.8644688645% Fewest Trips Most Trips
[?] see reported repairs
  26 350Zs, 9.2 months of data per 350Z, average 103300 miles

First model year.

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Nissan 370Z vs. Kia Optima Reliability Comparisons

You won't find Nissan 370Z or Kia Optima reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Nissan 370Z and the Kia Optima truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Nissan 370Z and Kia Optima reliability as the cars age. Others tell you how reliable the Nissan 370Z and the Kia Optima 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 Nissan 370Z and the Kia Optima have been recently.

See TrueDelta's information for all Nissan models and Kia models.