The 2005 BMW 3 Series Sedan is a 4-door, 5-passenger luxury sports sedan, available in 4 trims, ranging from the 325i to the 330xi. Upon introduction, the 325i is equipped with a standard 2.5-liter, I6, 184-horsepower engine that achieves 20-mpg in the city and 29-mpg on the highway. A 5-speed manual transmission is standard, and a 5-speed automatic transmission with overdrive is optional. The 330xi is equipped with a standard 3.0-liter, I6, 225-horsepower engine that achieves 20-mpg in the city and 29-mpg on the highway. A 6-speed manual transmission with overdrive is standard. A 5-speed automatic transmission with overdrive is optional. The 2005 BMW 3 Series Sedan is a carryover from 2004.