The 2004 Subaru Outback is available as a 4-door, 5-seat station wagon. Starting at $26,720, the 2004 Subaru Outback Limited Sedan is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway. The top of the line 2004 Subaru Outback Limited (A4) Wagon, priced at $27,820, is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway.