The 2004 Toyota Sienna is available as a 4-door, 7-seat passenger van. Starting at $22,955, the 2004 Toyota Sienna CE FWD is powered by a 3.3L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 27-mpg on the highway. The top of the line 2004 Toyota Sienna XLE Limited AWD, priced at $37,150, is powered by a 3.3L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.