The 2002 Saturn S-Series is a 4-door, 5-seat Sedan, available in 9 trims, ranging from the SL (M5) Sedan to the SL2 (A4) Sedan. Upon introduction, the $10,570 SL (M5) Sedan is equipped with a standard 1.9L, 4-cylinder, engine that achieves 29-mpg in the city and 40-mpg on the highway. a Manual transmission is standard. The $14,375 SL2 (A4) Sedan is equipped with a standard 1.9L, 4-cylinder, engine that achieves 25-mpg in the city and 36-mpg on the highway. an Automatic transmission is standard.