The Porsche Panamera 4 is a full-size, four-door luxury sedan produced by Porsche. It is based on the same platform as the original Panamera, but is larger and offers more interior space than its predecessor. It is powered by a turbocharged four-cylinder engine and comes with a range of performance upgrades, including all-wheel drive, adaptive suspension, and performance-tuned steering. It is also available with a range of luxury options, including leather upholstery, an infotainment system, and a range of driver-assist systems.