► Audi RS 7 - 560 hp 189 mph

The RS 7 Sportback, which is making its debut at the North American International Auto Show 2013 in Detroit. The large five-door coupe uses a 4.0 TFSI engine producing 412 kW (560 hp). The sprint from zero to 100 km/h ( mph) takes just 3.9 seconds, and the speed governor can be deactivated upon customer request to permit a top speed of up to 305 km/h ( mph). Despite this superior performance, the Audi RS 7 Sportback consumes on average just 9.8 liters of fuel per 100 km ( US mpg). ► S