The 2009 S4 is a 2-door, 4-passenger convertible sports car, available in two trims, the Cabriolet and the Cabriolet with Tiptronic.
Upon introduction, the Cabriolet is equipped with a standard 4.2-liter, V8, 340-horsepower engine that achieves 13-mpg in the city and 19-mpg on the highway. A 6-Speed manual transmission with overdrive is standard. The Cabriolet with Tiptronic is equipped with a standard 4.2-liter, V8, 340-horsepower engine that achieves 14-mpg in the city and 21-mpg on the highway. A 6-Speed automatic transmission with overdrive is standard.
The 2009 S4 is a carryover from 2008.