The Worst 2014-2019 Sierra 2500 Problems

Sierra's Terrible Headlights

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

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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.

3rd Generation Sierra 2500 in the News

A Second Recall for GMC Brake Pedals Falling Off

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It’s bad enough to have your truck recalled because the brake pedal might fall off. It gets worse when you find out there’s a good chance your truck wasn’t properly fixed … and the brake pedal still might fall off.
When a 2015 Silverado tha … continue reading

By the Numbers

  1. 5 model years

    Grouping all models by their year can reveal some baddies.

  2. 37 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 18th in reliability

    Overall reliability rank out of 32 eligible generations.