Forms that will allow you to suggest the addition of a new product are now live. There are several, since the requirements of the different subcategories vary pretty widely.
I tried submitting a new model (Lexus ES 350), but got a response to the effect that the topic leaders were no longer able to add new car models to the site. So just when do the models get updated anyway?
PriceTool.com periodically updates pricing and product information from third-party sources,
so some information may be slightly out-of-date. You should confirm all information before relying on it.