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%).