The Porsche Panamera Turbo is a luxury four-door sedan that is part of the Porsche Panamera lineup. The Turbo version is the flagship version and is powered by a 4.0-liter V8 engine that produces 550 horsepower and 567 lb-ft of torque, with a top speed of 188 mph. The Panamera Turbo has a variety of features including Porsche's adaptive suspension, a full-leather interior, and a standard 7-speed dual-clutch gearbox.