When you introduce your first convertible in 25 years to the public, you better hope it makes an impression. Cars.coms Kelsey Mays finds the European import to .\rbr\rbrThe 2016 Buick Cascada is an all-new model in the brands lineup. Its a midsize, soft-top convertible with room for four passengers. When Does It Go on Sale?\rbr\rbrStill on a conquest to lure younger buyers into showrooms, Buick re-introduces a convertible to the line-up after a 25 year absence. Will this new Cascada snag .\rbr\rbrTestDriveNow.com preview of the all-new 2016 Buick Cascada by automotive critic Steve Hammes. The first Buick convertible to grace our shores in 25 years.