10 Cars Sold in the U.S. but not Canada Published on September 13, 2019 in Top 10 by Guillaume Rivard Photo: General Motors Buick Cascada In the U.S., Buick has been selling this soft-top, four-passenger convertible for many years. However, 2019 marks the end of the road for the Cascada. Under the hood is a 1.6-litre turbo producing 200 horsepower.