This undated product image provided courtesy of General Motors shows …

Photo by Associated Press | published: January 12, 2015

This undated product image provided courtesy of General Motors shows the Buick Cascada convertible, which was unveiled Sunday, in Detroit. Automakers are rolling out new convertible models at a time when many consumers are gaining confidence in the economy and have more money to spend on less practical big-ticket items thanks to juicy stock market returns.