When it comes to the 2004 Saab 9-5, buyers have the option of a Sedan or Wagon configuration. There are three trim levels offered – the Linear, the Arc and the Aero. The Linear features a Wagon body style only, the Arc and the Aero are available in either a Wagon or a Sedan. The 9-5 comes equipped with a 2.3-liter 4-cylinder engine, with the Linear featuring 185 horsepower, the Arc featuring 220 and the Aero featuring 250. All are available with either a 5-speed manual transmission or a 5-speed automatic. The 9-5 is nicely equipped with amenities and safety features.