The first year I purchased the vehicle the shuddering started. It was very bad at speeds over 60 mph. I took it to Elkins Chevrolet and they said they couldn't drive it that fast and couldn't do anything about it. Each time I have it serviced I mention it again but nothing is ever done. It is an ongoing problem and I am fed up with Elkins. I think I will go to Pep Boys. My vehicle has 28,500 miles on it. Other than the braking problem, I really love this vehicle and do not wish to buy another one to replace it.