The Audi S4 is the automaker's original compact sports sedan, priced above the Audi S3 sedan and below the Audi S6, S7, and S8 sedans in the automaker's S series of sporty four-door models.

Audi spans a very wide array of uses--and prices--with its 2007 A4 family. The A4 can range from an affordable, economical four-cylinder sport sedan or wagon to the sunny-day Cabriolet model, all the ...

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Mileage changes a vehicle’s value. The default value is used if mileage is not entered. Price with Standard Equipment Standard equipment includes the features that come with this vehicle. Select Your ...