3rd Generation (2014—2019) Sierra 2500 Problems

This generations ranks 19th out of 33 GMC generations in reliability and is one of the safer bets out there. Owners have the most complaints about the lights (74%), exterior (7%), and the interior (3%). We've listed some of the most recent complaints below, see them all on CarComplaints.com.

  1. Projector Headlights Are Terrible 15 complaints at an average of 2,655 miles in the 2015 GMC Sierra 2500.
  2. Fumes & Smoke 1 complaints at an average of 4,400 miles in the 2014 GMC Sierra 2500.
  3. Headlights Are Too Dim 2 complaints at an average of 1,251 miles in the 2017 GMC Sierra 2500.

What Sierra 2500 Year is Most Reliable?

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 2015 model year which has the highest PainRank™ score in this generation.

Year Complaints Recalls TSBs PainRank (?)
2019 0 0 0 0.0
2018 0 0 207 0.0
2017 2 2 118 0.94
2016 2 4 679 1.18
2015 21 4 1227 9.01
2014 2 1 1036 1.68

Watch out for these common problems

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