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BMW 4-Series and Mercury Mariner 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.
29 vehicles, 11.5 months per vehicle, 102600 miles driven

This model year has been much worse than the 2009 and 2011 for over a year. Unclear why.2010		 Mercury Mariner Join or sign in to view   see reported repairs
  29 vehicles, 11.5 months per vehicle, 102600 miles driven

This model year has been much worse than the 2009 and 2011 for over a year. Unclear why.
25 vehicles, 11.6 months per vehicle, 107100 miles driven2009 Mercury Mariner Join or sign in to view   see reported repairs
  25 vehicles, 11.6 months per vehicle, 107100 miles driven
33 vehicles, 11.5 months per vehicle, 111800 miles driven

Redesigned for this model year.2008		 Mercury Mariner Join or sign in to view   see reported repairs
  33 vehicles, 11.5 months per vehicle, 111800 miles driven

Redesigned for this model year.

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BMW 4-Series vs. Mercury Mariner Lemon Odds and Nada Odds

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

To see how frequently BMW 4-Series and Mercury Mariner 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 Mercury Mariner

Mercury Mariner Brand Reputation: Pros
YearBody/PowertrainComment
2010 0 171-horsepower 2.5L I4
6-speed automatic FWD		 mercury upscale ford see full Mercury Mariner review
2005 4dr SUV 153-horsepower 2.3L I4
4-speed automatic AWD		 I feel it has a solid brand reputation and image as a more premium version of ford. see full Mercury Mariner review