Excellent Service Records// Prestige Package// Navigation System// Rearview Camera// Bang & Olufsen Sound System// Quattro with Sport Differential// Audi Adaptive Front Lighting, Advance Key and Side Assist// According to Motortrend.com review// Visually, the differences between the S4 and the A4 are very subtle. The S4 gets special rims, has quad exhaust tips, and gets S4 and 3.0T badges. The S4 is offered in Premium Plus and Prestige trim levels, both of which come standard with LED taillights, S4 sport seats, a sunroof, and three-zone climate control. The S4 is equipped with a potent supercharged 3.0-liter V-6-engine that puts out 333 hp and 325 lb-ft of torque// Fuel Economy (18 city/ 28 hwy) mpg// Extended Warranties, Pre-Purchase Inspection and Financing available upon customer request//**********