The Cadillac CT6 is a luxury sedan sold at a price that will make its German competitors blush. As a veritable technological showcase for the American manufacturer, the CT6 is available in a plug-in hybrid version that can cover approximately 50 kilometres without a drop of gas. The CT6 comes standard with a four-cylinder engine, but you can also get it with a twin-turbo, 404-horsepower V6. New for 2019 is the CT6 V-Sport with 550 horsepower.