Audi S7 Sportback using the machine and S6 S6 Avant 4.0 TFSI with 309 kW (420 hp) and 550 Nm (405.66 pounds-ft) of torque. V8 twin-turbo five-door coupe accelerates from 0 to 100 km / h (62.14 mph) in 4.9 seconds and top speed is limited to 250 km / h (155.34 mph). Audi Q7 [Continue]