Originally Posted by WilliamKirkland

2006 was first year. I bought one used and it has had a fair amt of problems. Violated one of my rules of life by buying the first year of a new model. But I did own a 1961 Buick with a small aluminum V* that I drove the wheels off without a hitch. GM engineers put out a model with extensive "testing", but testing and ownership are two different animals. Enjoy fooling with HGHRs, they don't make them any more yet parts are not hard to find.