The 2009 S5 is a 2-door, 5-passenger sports coupe, available in one trim only, the Quattro.
Upon introduction, the S5 is equipped with a standard 4.2-liter, V8, 354-horsepower engine that achieves 14-mpg in the city and 21-mpg on the highway. A 6-Speed manual transmission with overdrive is standard, and a 6-Speed automatic transmission with overdrive is optional.
The 2009 S5 is a carryover from 2008.