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GMC Sierra 1500 Reliability by Model Generation

Results are for year ending December 31, 2016. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model Percent of Average  
2014 - 2016 GMC Sierra 1500
48.2857142857% Best 122% Worst
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2007 - 2013 GMC Sierra 1500
43.1428571429% Best 113% Worst
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2000 - 2006 GMC Sierra 1500
21.4285714286% Best 75% Worst
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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
2006 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
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. full 2006 GMC Sierra 1500 review