2013 Audi RS5 INSANE Sound!

(US version) The Audi RS 5 features a high-revving V8 with 450 horsepower and a seven-speed S tronic® transmission with launch control program. The 4.2 liter, naturally aspirated FSI® engine delivers 450 horsepower and 317 lb-ft of torque to propel the RS 5 from 0 to 60 in just 4.5 seconds and an electronically-governed top speed of 174 mph. The powerful RS 5 features an optimized engine and drivetrain, on-demand oil pump, and energy-recovery system that conserve energy during coast