What's Wrong with the 4th Generation Sierra 2500?

Front 3/4 view of a GMC Sierra 2500

The 4th generation Sierra 2500 runs from the 2020 to 2020 model years and ranks 0th out of 32 eligible generations in reliability with a cumulative PainRank™ of 0.

PainRank™ is a relative complaint analysis of the 0 complaint made by owners over at CarComplaints.com
This generation has—surprisingly—not received a single complaint. Want to be first?

What Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

By the Numbers

  1. 0th in reliability

    Overall reliability rank out of 32 eligible generations.