Ahead of Detroit auto show debut, Bentley has released details of its flagship convertible model, 2013 Bentley Continental GT Speed Convertible, the fastest four-seater in the world, which will make its official debut at the Detroit Motor Show. The Bentley Continental GT Speed Convertible has a matrix radiator grille and bumper air intakes in a dark-tint chrome finish. , more sporting suspension calibration and 21-inch wheels. Of course,...







