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GMC Sierra 1500 and Pontiac G5 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. Pontiac G5 Lemon Odds and Nada Odds

Other sources of GMC Sierra 1500 and Pontiac G5 reliability data provide only averages, which can conceal as much as they reveal. So we also report the percentage of GMC Sierra 1500s and Pontiac G5s with no repairs at all in the past year and the percentage of GMC Sierra 1500s and Pontiac G5s 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 Pontiac G5 lemon odds as the cars age. Others can be over a year behind. Only TrueDelta tells you how reliable the GMC Sierra 1500 and Pontiac G5 have been recently.

To see how frequently GMC Sierra 1500 and Pontiac G5 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 Pontiac G5

Pontiac G5 Brand Reputation: Pros
YearBody/PowertrainComment
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD		 Pontiac builds excitment! see full Pontiac G5 review
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD		 Other family members have had Pontiacs over the years and have gone back to purchase new models of the same car. And I liked the fact that it was not an import brand. see full Pontiac G5 review