Featured Problems
Sierra's Terrible Headlights
For such a big, rugged truck, the GMC Sierra has some of the worst headlights on the road. But why?…
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GMC Lights Problems
Lights Complaints
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.
Worst Issues
- 2014 Sierra 1500 terrible headlights, poor visibility 106 (100%)
- 2015 Sierra 1500 poor lighting pattern 53 (50%)
- 2015 Yukon taillight not working properly 41 (39%)
- 2015 Sierra 2500 projector headlights are terrible 16 (15%)
- 2016 Yukon taillight not working 6 (6%)
- 2011 Sierra 1500 headlights burn out prematurely 6 (6%)
- 2007 Envoy headlights going off by themselves 5 (5%)
Worst Models
- Sierra 1500 181 (100%)
- Yukon 57 (31%)
- Acadia 42 (23%)
- Envoy 30 (17%)
- Sierra 2500 24 (13%)
- Sierra 3500 5 (3%)
GMC Lights News
The Sierra’s Dim Headlights Are Under a Spotlight
A lawsuit regarding the GMC Sierra’s “inadequate” headlights is still burning bright in a California court.
The plaintiffs allege GM made changes in the bulbs, assemblies and operation of the headlights … GM allegedly changed to projector- … continue reading
GM Wants Sierra Headlight Lawsuits Dropped
GM isn't arguing against claims that the 2014-2015 GMC Sierra has some terrible headlights, just that the lawsuits against them don't prove it.
"GM argues truck owners don't allege the lights malfunction in any way, so the case shoul … continue reading