Common Lights 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?…
Read More
The Trouble With GMC Lights
Lights issues make up roughly 9% of all GMC owner complaints. The majority of the issues have been reported by Sierra 1500 owners.
The complaint we hear about most often is terrible headlights, poor visibility in the 2014 Sierra 1500.
Where Lights Complaints Happen
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%)
Timeline of Related News
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-style headlights with single bulbs, smaller reflectors, two lenses each and shutters to switch between high and low beams that work from a single voltage source.
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 should be dismissed because other lawsuits have been dismissed because of similar claims.