Porsche has traveled to the Detroit Motor Show to introduce the 2015 Cayenne Turbo S, the fastest and most expensive SUV it has ever offered. The Turbo S sits at the very top of the Cayenne hierarchy.Power for the Turbo S is generated by a twin-turbocharged 4.8-liter V8 engine that makes 570 horsepower and a massive 590 lb-ft. of torque. The SUV sprints to 60 mph from a dead stop in 3.8 seconds and reaches an Autobahn-worthy top speed of 176 mph. The 2015 Porsche Cayenne Turbo S will go on sale in Germany in the second quarter of 2015 with a base price of €166,696
, a sum that converts to nearly $200,000
U.S. availability and pricing information will be published in the coming months.