Welcome to the Audi Exchange one of America's premier marketers of high-line and luxury automobiles This vehicle has all of the right options. With Bang & Olufsen Sound System Navigation Rearview Camera Side Assist Nappa Leather 19 Wheels Sport Differential and Carbon Inlays 100% CARFAX guaranteed! This car comes with the balance of its existing factory warranty plus an extended Certified Pre-owned Vehicle Warranty. At Audi Exchange, we strive to provide you with the best quality vehicles and this S4 is no exception. Accident-free car fax report Factory-Backed Warranty with coverage for 5 years or Unlimited miles Audi Certified Pre-Owned Warranty included additional factory warranty at no extra cost