The new Porsche Cayenne Coupe models a more athletic appearance. The front windshield and A-pillar are shallower than in the Cayenne. This is as a result of a roof edge that is roughly 0.78 inches lower than the standard design. Also, redesigned rear doors and quarter panels broaden the shoulders of this vehicle. The vehicle’s top speed is 151 mph. The top-of-the-range Cayenne Turbo Coupe uses a 4.0-liter twin-turbo V8 producing 541 hp (404 kW), and 567 lb.-ft. of torque. It accelerates from a standing start to 60 mph in 3.7 seconds and has a top speed of 178 mph.