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GMC Sierra 1500 and Chevrolet TrailBlazer 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    
35 vehicles, 11.5 months per vehicle, 18500 miles driven2017 GMC Sierra (not HD)
[?] see reported repairs
  35 vehicles, 11.5 months per vehicle, 18500 miles driven
43 vehicles, 11.7 months per vehicle, 39900 miles driven2015 GMC Sierra (not HD)
[?] see reported repairs
  43 vehicles, 11.7 months per vehicle, 39900 miles driven
41 vehicles, 11.6 months per vehicle, 57900 miles driven

Redesigned.2014		 GMC Sierra (not HD)
[?] see reported repairs
  41 vehicles, 11.6 months per vehicle, 57900 miles driven

Redesigned.

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GMC Sierra 1500 vs. Chevrolet TrailBlazer Lemon Odds and Nada Odds

Other sources of GMC Sierra 1500 and Chevrolet TrailBlazer reliability data provide only averages, which can conceal as much as they reveal. So we also report the percentage of GMC Sierra 1500s and Chevrolet TrailBlazers with no repairs at all in the past year and the percentage of GMC Sierra 1500s and Chevrolet TrailBlazers 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 GMC Sierra 1500 and Chevrolet TrailBlazer lemon odds as the cars age. Others can be over a year behind. Only TrueDelta tells you how reliable the GMC Sierra 1500 and Chevrolet TrailBlazer have been recently.

To see how frequently GMC Sierra 1500 and Chevrolet TrailBlazer problems occur, check out our car reliability stats.

What Our Members Are Saying about the Brand Reputation of the GMC Sierra 1500

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What Our Members Are Saying about the Brand Reputation of the Chevrolet TrailBlazer

Chevrolet TrailBlazer Brand Reputation: Cons
YearBody/PowertrainComment
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range		 I USED to be a Chevy man. Comfortable car for long trips but "long term" maintenance program WAY too expensive - like entire headlamp vs lighbulb. Headlight plug shorts out - spend $400 min to replace assembly. Chevy too expensive to own over 5 year see full Chevrolet TrailBlazer review