This iconic S4 gives sport sedan drivers plenty of everyday performance, along with the luxury and tech that Audi is known for ... standard 10-speaker setup on lower trims.

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...