Steve Elmer from AutoGuide has been working on this story for months.
Turns out, much like the SUVs, full size GM trucks also shake heavily at highway speeds.
GM has told customers that vibration is "inherent to the design"While SUV owners complain of buffeting causing headaches and dizziness, GM half-ton owners claim there is an insistent vibration in their trucks. “While driving at speeds above 45 mph, there is a vibration from the rear of the vehicle,” reads a complaint on the NHTSA database. “Dealer advised it was wheel balance and balanced the tires with no relief. Have since replaced all four tires with no relief.”
We have the entire piece featured on our homepage. https://www.gminsidenews.com/articles...-chevy-shakes/