A high-performance S4 sedan and S4 Avant wagon rejoined the Audi lineup for 2004. Both pack a 4.2-liter V-8 that produces 340 horsepower. A six-speed-manual gearbox or a six-speed-automatic transmission with a manual-shift provision can be installed.During the 2004 model year, Audi launched an S4... Read Full Report
Average based on 10 reviewsWrite a Review
I currently have a 2006 and had a 2005 previoussly. Very competent vehicle. Good power and very predictable handling. Only complaintgs are back seat leg room and the interface with the NAV system is c... Read Full Review
Select up to three models to compare with the 2006 Audi S4
Remove one of these cars to add others or compare the below cars now.