The S5 Cabriolet takes every you know and love about the S5 Coupe and adds a retractable soft-top to it. Base models get 18” alloy wheels with performance tires, all-LED exterior lighting, automated headlamps/wipers, remote entry/start, heated/folding/powered side mirrors, panoramic sunroof, front/rear parking sensors, leather upholstery, heated/powered front seating, splitting/folding rear seating, 7” touchscreen, collision mitigation system, Bluetooth/smartphone/USB integration, and 10-speaker audio system. Options and upgrades can add features like a larger 8.3” touchscreen, 19-speaker Bang & Olufsen audio system, 360-degree parking camera, GPS, and more. A turbocharged 3.0-liter V6 engine powers this car, rated at 354 horsepower and 369 pound-feet of torque.