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Nissan 370Z vs. Kia Optima 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    
2015 Kia Optima   small sample, members only   see reported repairs
  18 Optimas, 9.4 months of data per Optima, average 12100 miles

* Small sample, members only.

 

2014 Kia Optima   small sample, members only   see reported repairs
  18 Optimas, 8.1 months of data per Optima, average 26900 miles

* Small sample, members only.

 

2013 Kia Optima 18
14.039408867% 14.039408867% Fewest Trips Most Trips
see reported repairs
  49 Optimas, 9.7 months of data per Optima, average 46800 miles

 

2012 Kia Optima 31
39.6551724138% 39.6551724138% Fewest Trips Most Trips
see reported repairs
  26 Optimas, 9.0 months of data per Optima, average 55800 miles

 

2011 Kia Optima 26
16.6666666667% 16.6666666667% Fewest Trips Most Trips
see reported repairs
  25 Optimas, 9.2 months of data per Optima, average 69700 miles

Redesigned for this model year.

 

2009 Nissan 370Z   small sample, members only   see reported repairs
  15 370Zs, 10.3 months of data per 370Z, average 55000 miles

* Small sample, members only.

 

2008 Nissan 350Z   small sample, members only   see reported repairs
  10 350Zs, 8.6 months of data per 350Z, average 57300 miles

* Very small sample, members only.

 

2007 Nissan 350Z   small sample, members only   see reported repairs
  11 350Zs, 9.9 months of data per 350Z, average 53800 miles

* Very small sample, members only.

 

2006 Nissan 350Z   small sample, members only   see reported repairs
  15 350Zs, 6.6 months of data per 350Z, average 78500 miles

* Small sample, members only.

 

2005 Kia Optima   small sample, members only   see reported repairs
  11 Optimas, 9.8 months of data per Optima, average 118200 miles

* Very small sample, members only.
2005 Nissan 350Z   small sample, members only   see reported repairs
  17 350Zs, 8.6 months of data per 350Z, average 64900 miles

* Small sample, members only.

 

2004 Nissan 350Z   small sample, members only   see reported repairs
  18 350Zs, 8.2 months of data per 350Z, average 73600 miles

* Small sample, members only.

 

2003 Nissan 350Z   small sample, members only   see reported repairs
  23 350Zs, 9.0 months of data per 350Z, average 116500 miles

* Small sample, members only.

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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.