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BMW Z4 and Toyota Sienna 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    
40 vehicles, 11.7 months per vehicle, 37900 miles driven2015 Toyota Sienna
[?] see reported repairs
  40 vehicles, 11.7 months per vehicle, 37900 miles driven
31 vehicles, 11.7 months per vehicle, 50500 miles driven2014 Toyota Sienna Join or sign in to view   see reported repairs
  31 vehicles, 11.7 months per vehicle, 50500 miles driven
26 vehicles, 11.6 months per vehicle, 76600 miles driven2012 Toyota Sienna Join or sign in to view   see reported repairs
  26 vehicles, 11.6 months per vehicle, 76600 miles driven
51 vehicles, 11.7 months per vehicle, 106100 miles driven

Redesigned for this model year.2011		 Toyota Sienna
[?] see reported repairs
  51 vehicles, 11.7 months per vehicle, 106100 miles driven

Redesigned for this model year.
38 vehicles, 11.4 months per vehicle, 134900 miles driven2008 Toyota Sienna
[?] see reported repairs
  38 vehicles, 11.4 months per vehicle, 134900 miles driven
28 vehicles, 11.7 months per vehicle, 122400 miles driven2007 Toyota Sienna Join or sign in to view   see reported repairs
  28 vehicles, 11.7 months per vehicle, 122400 miles driven
38 vehicles, 11.5 months per vehicle, 143900 miles driven2006 Toyota Sienna
[?] see reported repairs
  38 vehicles, 11.5 months per vehicle, 143900 miles driven
33 vehicles, 11.5 months per vehicle, 143100 miles driven2005 Toyota Sienna Join or sign in to view   see reported repairs
  33 vehicles, 11.5 months per vehicle, 143100 miles driven
42 vehicles, 11.3 months per vehicle, 177000 miles driven

Redesigned for this model year.2004		 Toyota Sienna
[?] see reported repairs
  42 vehicles, 11.3 months per vehicle, 177000 miles driven

Redesigned for this model year.

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BMW Z4 vs. Toyota Sienna Lemon Odds and Nada Odds

Other sources of BMW Z4 and Toyota Sienna reliability data provide only averages, which can conceal as much as they reveal. So we also report the percentage of BMW Z4s and Toyota Siennas with no repairs at all in the past year and the percentage of BMW Z4s and Toyota Siennas 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 Z4 and Toyota Sienna lemon odds as the cars age. Others can be over a year behind. Only TrueDelta tells you how reliable the BMW Z4 and Toyota Sienna have been recently.

To see how frequently BMW Z4 and Toyota Sienna problems occur, check out our car reliability stats.

What Our Members Are Saying about the Brand Reputation of the BMW Z4

BMW Z4 Brand Reputation: Pros
YearBody/PowertrainComment
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed manual RWD		 BMW is BMW. see full BMW Z4 review
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed shiftable automatic RWD		 BMW is very high quality. Brand has great prestige and cachet. The company is right: "The ultimate driving machine." see full BMW Z4 review
2005 2dr Convertible 184-horsepower 2.5L I6
5-speed shiftable automatic RWD		 People point and smile. see full BMW Z4 review
2004 2dr Convertible 184-horsepower 2.5L I6
5-speed shiftable automatic RWD		 BMW has a reputation for advanced engineering and a performance-oriented approach to designing cars. The Z4 lives up that reputation. see full BMW Z4 review
 

What Our Members Are Saying about the Brand Reputation of the Toyota Sienna

Toyota Sienna Brand Reputation: Pros
YearBody/PowertrainComment
2011 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD		 Toyota is still Toyota. see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 no issues see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 High marks with other owners see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD		 Known as a reliable vehicle. Higher resale value Quiet ride. Smooth ride. see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 Resale should be decent. see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD		 Toyota (before all the recalls) see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 I have heard (and read) good things about the Toyota. I went to the dealer expecting the van to feel cramped, overpriced and dealer unwilling to negotiate. The last time I looked at Toyota (20 years ago) a dealer asked how much over retail I would pay. see full Toyota Sienna review
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD		 Toyota is a reputable name and I trusted that the product would be of a high standard. see full Toyota Sienna review
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic AWD		 Toyota = good value, good product, good reliability. see full Toyota Sienna review
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD		 Toyota at the time was unbeatable. see full Toyota Sienna review