The 2003 Toyota Sienna is a 4-door, 7-seat Passenger Van, available in 3 trims, ranging from the CE to the XLE. Upon introduction, the $23,905 CE is equipped with a standard 3.0L, 6-cylinder, engine that achieves 19-mpg in the city and 24-mpg on the highway. an Automatic transmission is standard. The $28,012 XLE is equipped with a standard 3.0L, 6-cylinder, engine that achieves 19-mpg in the city and 24-mpg on the highway. an Automatic transmission is standard.