The Porsche Panamera 4S is a four-door luxury sedan manufactured by German automaker Porsche. It is the mid-level trim package offered in the Panamera lineup, and is designed to provide a balance of performance and luxury. The 4S is powered by a twin-turbocharged 3.0-liter V6 engine that puts out 440 horsepower and 405 lb-ft of torque. This engine is paired to an eight-speed dual-clutch transmission and Porsche's all-wheel-drive system. Standard features include 20-inch wheels, adaptive suspension, a power tailgate, and a 14-speaker Bose audio system.