The 2000 Toyota Sienna is available as a 3-door, 7-seat passenger van. Starting at $22,368, the 2000 Toyota Sienna CE is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway. The top of the line 2000ToyotaSiennaXLE , priced at $ 27,334 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.