3rd Gen (2014 – 2017) GMC Sierra 1500 Problems

The 3rd generation of the Sierra 1500 has a cumulative PainRank™ of 20.8. That can be compared against other GMC generations. Shopping for a GMC? You should avoid this generation like the plague that it is.

Owners of the 2014–2017 Sierra 1500 model years have sent in 450 complaints on CarComplaints.com. We've listed the three most common below. Most are about the lights (36%) followed by the hvac (16%) and the interior (9%).

Comparing Years in This Generation

Generations are a good baseline for prediciting reliability, but there will almost always be year-to-year differences. We've calculated a reliability score for each model year within this generation, but we've based that score on how the model year compares to all GMC model years.

Watch out for the 2014 model year which has the highest PainRank™ score in this generation.

Year Complaints Reliability PainRank (?)
2017 23
6.62
2016 5
3.7
2015 151
33.24
2014 271
39.62

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