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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 GMC Sierra (not HD) 62 Sierra (not HD)s, 8.2 months of data per Sierra (not HD), average 9800 miles

Redesigned.
42
60% 60% Fewest Trips Most Trips
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2013 GMC Sierra (not HD) 32 Sierra (not HD)s, 8.6 months of data per Sierra (not HD), average 16700 miles22
20% 20% Fewest Trips Most Trips
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2012 GMC Sierra (not HD)   15 Sierra (not HD)s, 8.5 months of data per Sierra (not HD), average 24700 miles

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2011 GMC Sierra (not HD) 33 Sierra (not HD)s, 7.4 months of data per Sierra (not HD), average 44600 miles44
40% 40% Fewest Trips Most Trips
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2010 GMC Sierra (not HD)   17 Sierra (not HD)s, 8.4 months of data per Sierra (not HD), average 51400 miles

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2009 GMC Sierra (not HD)   17 Sierra (not HD)s, 10.5 months of data per Sierra (not HD), average 97500 miles

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2008 GMC Sierra (not HD) 41 Sierra (not HD)s, 8.7 months of data per Sierra (not HD), average 82800 miles40
20% 20% Fewest Trips Most Trips
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2007 GMC Sierra (not HD) 26 Sierra (not HD)s, 8.4 months of data per Sierra (not HD), average 88600 miles

Redesigned.
82
60% 60% Fewest Trips Most Trips
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2006 GMC Sierra (not HD)   18 Sierra (not HD)s, 8.4 months of data per Sierra (not HD), average 107900 miles

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2005 GMC Sierra (not HD)   19 Sierra (not HD)s, 10.9 months of data per Sierra (not HD), average 96500 miles

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2004 GMC Sierra (not HD) 25 Sierra (not HD)s, 9.2 months of data per Sierra (not HD), average 121900 miles68
30% 30% Fewest Trips Most Trips
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2003 GMC Sierra (not HD)   23 Sierra (not HD)s, 8.3 months of data per Sierra (not HD), average 132600 miles

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2002 GMC Sierra (not HD)   18 Sierra (not HD)s, 8.7 months of data per Sierra (not HD), average 128800 miles

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2001 GMC Sierra (not HD)   20 Sierra (not HD)s, 8.9 months of data per Sierra (not HD), average 157600 miles

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2000 GMC Sierra (not HD)   20 Sierra (not HD)s, 10.4 months of data per Sierra (not HD), average 156600 miles

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GMC Sierra 1500 Reliability

You won't find GMC Sierra 1500 reliability information like this anywhere else. Actual repair frequencies, not just vague dots. So you can tell how much the GMC Sierra 1500 truly differs from competing car models in reliability.

These stats are promptly updated four times a year, to much more closely track GMC Sierra 1500 reliability as the cars age. Others tell you how reliable the GMC Sierra 1500 was a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the GMC Sierra 1500 has been recently.

What People Are Saying about Reliability and the GMC Sierra 1500

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What Our Members Are Saying about the Reliability and Durability of the GMC Sierra 1500

GMC Sierra 1500 Reliability and Durability: Cons
YearBody/PowertrainComment
2006 4dr Extended Cab 6.5ft bed Slightly better than Dodge, but at the bottom of the reliability pile. This truck is on its third set of front wheel bearings and a new alternator at just 130,000 miles.