The 2018 Porsche Panamera 4S is an exceptional realization of a four-door luxury sports sedan, delivering a spectacular combination of executive-class refinement and genuine racetrack-bred dynamics. At its core is a highly advanced 2.9-liter twin-turbo V6 engine that unleashes an impressive 440 horsepower and 405 lb-ft of torque, which, when paired with the lightning-fast 8-speed Porsche Doppelkupplung (PDK) dual-clutch transmission, catapults the vehicle from 0 to 60 mph in a scant 4.2 seconds