Edmunds configurator can be tricky. You need to click the info tab and read the details.
And with Toyotas no site, including mine, shows only the configurations available in your region. Toyota and Lexus models are tricky this way. In some cases an overpriced "accessory package" with floormats and such will be required to get other options.
Also, be aware that dealers get various sales and CSI bonuses. They won't be relying entirely on the holdback to pay the bills on a car sold at invoice.
But they do have to pay bills--it costs money to sell cars.
My configurator, which is much easier than most is here (with the above caveat):
Car prices and price comparisons