The Worst 2014-2019 Sierra 3500 Problems

Sierra's Terrible Headlights

Updated on

For such a big, rugged truck, the GMC Sierra has some of the worst headlights on the road. But why?…

Read More

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.

Timeline of 3rd Generation Sierra 3500 News

By the Numbers

  1. 3 model years

    Grouping all models by their year can reveal some baddies.

  2. 8 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 4th in reliability

    Overall reliability rank out of 32 eligible generations.