Audi USA has officially revealed the 2015 RS5 Coupe Sport Edition, a special version of the performance coupe model.
Exterior 
The limited-version car was developed by Audi Excusive and it features Daytona Gray or Nardo Gray exterior. Furthermore, there are special red brake calipers and 20-inch 5-V-spoke alloy wheels wrapped in performance tires. 
Interior
Inside the cockpit, the new 2015 Audi RS5 Coupe Sport Edition will feature Black / Crimson Red Nappa leather sport seats with Crimson Red contrast stitching and Crimson Red door panel inserts. In addition, there is a leather-wrapped steering wheel and a body-color trim.
Engine 
Under the hood of the 2015 Audi RS5 Coupe Sport Edition is a V8 4.2 liter engine rated at 450 horsepower and 429 Nm peak of torque. The egnine resources are sent to the gravel thanks to a seven-speed S Tronic transmission and a quattro all-wheel drive system. Under these conditions, the car can run from stand still to 60 mph (96 km/h) in 4.5 seconds, while the top speed is electronically limited to 175 mph (280 km/h).
Price 
According to Audi, the new 2015 RS5 Coupe Sport Edition will be produced in only 75 units each one with a price tag of $87,575 USD. 

Source: Audi