To us it's a really nice rc car with a nice engine that needs to be looked after well and used to its full potential. That could be worth a bit of money if it's in the right condition...
Before you so much as even touch that nice vehicle you've got yourself, read this guide, every last letter of it. Then get back to us :)
https://www.rcnitrotalk.com/forum/threads/nitro-rc-beginners-guide.68224/