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Nissan Z and Kia Optima Lemon Odds and Nada Odds for the Year Ending June 30, 2018

An asterisk (*) marks results based on small sample sizes.

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Year Make/Model Nada Odds per 100 Cars Lemon Odds per 100 Cars    
26 vehicles, 11.8 months per vehicle, 73200 miles driven2013 Kia Optima Join or sign in to view   see reported repairs
  26 vehicles, 11.8 months per vehicle, 73200 miles driven

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Nissan Z vs. Kia Optima Lemon Odds and Nada Odds

Other sources of Nissan Z and Kia Optima reliability data provide only averages, which can conceal as much as they reveal. So we also report the percentage of Nissan Zs and Kia Optimas with no repairs at all in the past year and the percentage of Nissan Zs and Kia Optimas that are lemons (required three or more repair trips in the past year). These figures might surprise you.

These stats are promptly updated four times a year, to closely track Nissan Z and Kia Optima lemon odds as the cars age. Others can be over a year behind. Only TrueDelta tells you how reliable the Nissan Z and Kia Optima have been recently.

To see how frequently Nissan Z and Kia Optima problems occur, check out our car reliability stats.

What Our Members Are Saying about the Brand Reputation of the Nissan Z

Nissan Z Brand Reputation: Pros
YearBody/PowertrainComment
2011 2dr Hatch 332-horsepower 3.7L V6
6-speed manual RWD		 Besides the fact that the Z has been around for more than 40 years and has an engine that has won multiple awards it is from Nissan who has long been known for having high quality and a forever life span. see full Nissan Z review
2008 2dr Hatch 306-horsepower 3.5L V6
6-speed manual RWD		 dependable, reliable see full Nissan Z review
2007 2dr Hatch 306-horsepower 3.5L V6
6-speed manual RWD		 The "Z" says it all. see full Nissan Z review
2006 2dr Hatch 287-horsepower 3.5L V6
5-speed shiftable automatic RWD		 reliability see full Nissan Z review
2005 2dr Hatch 300-horsepower 3.5L V6
6-speed manual RWD		 Nissan makes good quality cars. see full Nissan Z review
2005 2dr Hatch 287-horsepower 3.5L V6
5-speed shiftable automatic RWD		 this car has been around for over 35 yrs and i have never heard a bad word or report on it. see full Nissan Z review
2003 2dr Hatch 287-horsepower 3.5L V6
6-speed manual RWD		 Nissan is known for making great products. see full Nissan Z review
 

What Our Members Are Saying about the Brand Reputation of the Kia Optima

Kia Optima Brand Reputation: Cons
YearBody/PowertrainComment
2013 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 Kia doesn't have the best reputation, though I get the sense that it's slowly improving. Speaking personally, I would have laughed at the idea of buying/leasing anything from Kia even three years ago. However, in that time, I've had two: a 2011 Kia Sportage EX and, now, a 2013 Kia Optima SX Limited. The mediocre brand image is a unfortunate, because if you slapped another make's emblem on this car, people would probably be absolutely gushing over it. As I said, I don't think their image is improving, though. see full Kia Optima review
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 poor trade in value but intend to keep long time due to great warranty; Kia discounting cars in USA to gain brand penetration; much better priced here than in Europe for the same car. see full Kia Optima review