The Chevrolet Cobalt is available in an array of distinctive trim levels in two body styles: two-door coupe and four-door sedan. Three different engines are available with suspensions tuned to match. The LS, LT, and LTZ models are powered by a 145-horsepower 2.2-liter engine and use the FE1 suspension. The SS coupe and sedan get a 171-horsepower 2.4-liter engine, the FE3 sports suspension. The SS Supercharged coupe features a 205-horsepower 2.0-liter engine and the high-performance FE5 suspension.For 2007, The Chevrolet Cobalt includes a standard CD stereo with an auxiliary input for MP3 players, new wheel options and choice of a remote starting system. The four-spoke steering wheel in last year's Cobalt is also replaced by a three-spoke.