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BMW 4-Series 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    
50 vehicles, 11.6 months per vehicle, 22200 miles driven

Most of the cars in the sample are the related 3-Series, which has had finish and trim problems following an update.2016		 BMW 4-Series
[?] see reported repairs
  50 vehicles, 11.6 months per vehicle, 22200 miles driven

Most of the cars in the sample are the related 3-Series, which has had finish and trim problems following an update.
51 vehicles, 11.5 months per vehicle, 31100 miles driven

Most of the cars in the sample are the related 3-Series.2015		 BMW 4-Series
[?] see reported repairs
  51 vehicles, 11.5 months per vehicle, 31100 miles driven

Most of the cars in the sample are the related 3-Series.
62 vehicles, 11.6 months per vehicle, 48000 miles driven

Most of the cars in the sample are the related 3-Series.2014		 BMW 4-Series
[?] see reported repairs
  62 vehicles, 11.6 months per vehicle, 48000 miles driven

Most of the cars in the sample are the related 3-Series.
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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BMW 4-Series vs. Kia Optima Lemon Odds and Nada Odds

Other sources of BMW 4-Series and Kia Optima reliability data provide only averages, which can conceal as much as they reveal. So we also report the percentage of BMW 4-Seriess and Kia Optimas with no repairs at all in the past year and the percentage of BMW 4-Seriess 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 BMW 4-Series and Kia Optima lemon odds as the cars age. Others can be over a year behind. Only TrueDelta tells you how reliable the BMW 4-Series and Kia Optima have been recently.

To see how frequently BMW 4-Series and Kia Optima problems occur, check out our car reliability stats.

What Our Members Are Saying about the Brand Reputation of the BMW 4-Series

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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