Though quick, the Q50's underwhelming driving experience damages its luxury-sports-sedan pretensions. Fit and finish, ride comfort, and noise isolation aren't up to scratch either. Handling is lackluster compared with its peers, mostly because of the dull steering. Ride comfort is unsettled and not helped by the stiff run-flat tires, and interior fit and finish is underwhelming. The cabin is roomy, and the rear seat is hospitable. But the slow-responding touch screen is frustrating to use. Reliability has been much below average, and it received a low owner-satisfaction score in our survey. 2016 brings a new engine lineup, starting with a 2.0-liter turbocharged four-cylinder and topping out with a 400-hp, 3.0-liter turbo six.