2015 Porsche Cayenne Turbo S ramps up speed and power

The 2015 Porsche Cayenne Turbo S is being shown at NAIAS 2015 this week as the top model of the brand's sporty SUV model series. This vehicle works with 570 hp (419 kW) and 800 Nm (590 ft lb) of torque from its re-engineered 4.8-liter V8 biturbo engine and, according to Porsche, is is able to run the North Loop …