Go to Auto Trader dot com
There are quite a number of used mazda mpv and toyota sienna with about 40k to 60 k for $ 15,000 or less.
Take your pick.
The hondas were 80,000 or more miles for $ 15,000 dollars.
I used the year range 2002 - 2009
let us know what you find, so we can help you evaluate the car and the deal, before you make the purchase.