Drop a twin-turbo V-6 into a Smart roadster, and you have a riot on your hands. This might be America's first smart.
What happens when you put a twin-turbo V6 in a Smart Roadster? More fun than a barrel of monkeys.
Smart is showing its product range in Detroit for the first time to give Americans a taste of the micro-Mercedes brand (Smarts have already gone on sale in Canada). The tiny Smart ForTwo is powered by three-cylinder gasoline and diesel engines, making 74 and a heady 40 hp respectively, but enthusias